Home / 621,824.40-932,736.60-472,525.20

Finding the Fourth Proportional to 621,824.40, 932,736.60 and 472,525.20

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Solution

The fourth proportional to 621,824.40, 932,736.60 and 472,525.20 is: 708,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,824.40 : 932,736.60 = 472,525.20 : x
  2. Step 2: Convert to fraction form
    621,824.40/932,736.60 = 472,525.20/x
  3. Step 3: Cross multiply
    621,824.40x = 932,736.60 × 472,525.20
  4. Step 4: Simplify right side
    621,824.40x = 440,741,548,462.32
  5. Step 5: Solve for x
    x = 440,741,548,462.32/621,824.40
  6. Step 6: Final answer
    x = 708,787.80

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Double scale
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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.