Home / 462,286.20-693,429.30-129,862.20

Finding the Fourth Proportional to 462,286.20, 693,429.30 and 129,862.20

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Solution

The fourth proportional to 462,286.20, 693,429.30 and 129,862.20 is: 194,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,286.20 : 693,429.30 = 129,862.20 : x
  2. Step 2: Convert to fraction form
    462,286.20/693,429.30 = 129,862.20/x
  3. Step 3: Cross multiply
    462,286.20x = 693,429.30 × 129,862.20
  4. Step 4: Simplify right side
    462,286.20x = 90,050,254,442.46
  5. Step 5: Solve for x
    x = 90,050,254,442.46/462,286.20
  6. Step 6: Final answer
    x = 194,793.30

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Double scale
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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.