Home / 415,057.20-621,587.88-237,024.56

Finding the Fourth Proportional to 415,057.20, 621,587.88 and 237,024.56

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Solution

The fourth proportional to 415,057.20, 621,587.88 and 237,024.56 is: 354,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,057.20 : 621,587.88 = 237,024.56 : x
  2. Step 2: Convert to fraction form
    415,057.20/621,587.88 = 237,024.56/x
  3. Step 3: Cross multiply
    415,057.20x = 621,587.88 × 237,024.56
  4. Step 4: Simplify right side
    415,057.20x = 147,331,593,758.33
  5. Step 5: Solve for x
    x = 147,331,593,758.33/415,057.20
  6. Step 6: Final answer
    x = 354,966.96

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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.