Home / 621,983.52-932,384.16-243,147.24

Finding the Fourth Proportional to 621,983.52, 932,384.16 and 243,147.24

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Solution

The fourth proportional to 621,983.52, 932,384.16 and 243,147.24 is: 364,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,983.52 : 932,384.16 = 243,147.24 : x
  2. Step 2: Convert to fraction form
    621,983.52/932,384.16 = 243,147.24/x
  3. Step 3: Cross multiply
    621,983.52x = 932,384.16 × 243,147.24
  4. Step 4: Simplify right side
    621,983.52x = 226,706,635,123.72
  5. Step 5: Solve for x
    x = 226,706,635,123.72/621,983.52
  6. Step 6: Final answer
    x = 364,489.78

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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.