Home / 741,792.10-1,023,673.37-402,260.26

Finding the Fourth Proportional to 741,792.10, 1,023,673.37 and 402,260.26

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Solution

The fourth proportional to 741,792.10, 1,023,673.37 and 402,260.26 is: 555,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,792.10 : 1,023,673.37 = 402,260.26 : x
  2. Step 2: Convert to fraction form
    741,792.10/1,023,673.37 = 402,260.26/x
  3. Step 3: Cross multiply
    741,792.10x = 1,023,673.37 × 402,260.26
  4. Step 4: Simplify right side
    741,792.10x = 411,783,115,971.28
  5. Step 5: Solve for x
    x = 411,783,115,971.28/741,792.10
  6. Step 6: Final answer
    x = 555,119.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.