Home / 621,824.10-932,736.15-432,867.30

Finding the Fourth Proportional to 621,824.10, 932,736.15 and 432,867.30

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Solution

The fourth proportional to 621,824.10, 932,736.15 and 432,867.30 is: 649,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,824.10 : 932,736.15 = 432,867.30 : x
  2. Step 2: Convert to fraction form
    621,824.10/932,736.15 = 432,867.30/x
  3. Step 3: Cross multiply
    621,824.10x = 932,736.15 × 432,867.30
  4. Step 4: Simplify right side
    621,824.10x = 403,750,978,862.90
  5. Step 5: Solve for x
    x = 403,750,978,862.90/621,824.10
  6. Step 6: Final answer
    x = 649,300.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.