Home / 437,939.10-656,455.05-237,836.70

Finding the Fourth Proportional to 437,939.10, 656,455.05 and 237,836.70

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Solution

The fourth proportional to 437,939.10, 656,455.05 and 237,836.70 is: 356,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,939.10 : 656,455.05 = 237,836.70 : x
  2. Step 2: Convert to fraction form
    437,939.10/656,455.05 = 237,836.70/x
  3. Step 3: Cross multiply
    437,939.10x = 656,455.05 × 237,836.70
  4. Step 4: Simplify right side
    437,939.10x = 156,129,102,790.34
  5. Step 5: Solve for x
    x = 156,129,102,790.34/437,939.10
  6. Step 6: Final answer
    x = 356,508.71

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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.