I have three Traditional IRA accounts but take the TOTAL RMD out of only one. There is no distribution from the other two. But TT only asks for the RMD for the ONE account. Do I have to fake the number for that account and enter the total for all three where it asks for one. Am I missing something?
No. You should not fake numbers. TurboTax treats each Form 1099-R separately. If there were no distributions from two of your accounts, there would be no RMD questions for those.
However, since you take your total RMD from the one account, you can indicate your total RMD was satisfied from this distribution by doing the following: