Home / 619,520.58-929,280.92-220,177.11

Finding the Fourth Proportional to 619,520.58, 929,280.92 and 220,177.11

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Solution

The fourth proportional to 619,520.58, 929,280.92 and 220,177.11 is: 330,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,520.58 : 929,280.92 = 220,177.11 : x
  2. Step 2: Convert to fraction form
    619,520.58/929,280.92 = 220,177.11/x
  3. Step 3: Cross multiply
    619,520.58x = 929,280.92 × 220,177.11
  4. Step 4: Simplify right side
    619,520.58x = 204,606,386,242.86
  5. Step 5: Solve for x
    x = 204,606,386,242.86/619,520.58
  6. Step 6: Final answer
    x = 330,265.68

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Similar ratio
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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.