Home / 621,529.28-932,340.92-172,244.96

Finding the Fourth Proportional to 621,529.28, 932,340.92 and 172,244.96

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Solution

The fourth proportional to 621,529.28, 932,340.92 and 172,244.96 is: 258,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,529.28 : 932,340.92 = 172,244.96 : x
  2. Step 2: Convert to fraction form
    621,529.28/932,340.92 = 172,244.96/x
  3. Step 3: Cross multiply
    621,529.28x = 932,340.92 × 172,244.96
  4. Step 4: Simplify right side
    621,529.28x = 160,591,024,471.76
  5. Step 5: Solve for x
    x = 160,591,024,471.76/621,529.28
  6. Step 6: Final answer
    x = 258,380.47

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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.