Home / 636,815.68-955,321.90-237,513.20

Finding the Fourth Proportional to 636,815.68, 955,321.90 and 237,513.20

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Solution

The fourth proportional to 636,815.68, 955,321.90 and 237,513.20 is: 356,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,815.68 : 955,321.90 = 237,513.20 : x
  2. Step 2: Convert to fraction form
    636,815.68/955,321.90 = 237,513.20/x
  3. Step 3: Cross multiply
    636,815.68x = 955,321.90 × 237,513.20
  4. Step 4: Simplify right side
    636,815.68x = 226,901,561,499.08
  5. Step 5: Solve for x
    x = 226,901,561,499.08/636,815.68
  6. Step 6: Final answer
    x = 356,306.49

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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.