Home / 683,442.20-1,025,163.30-329,148.20

Finding the Fourth Proportional to 683,442.20, 1,025,163.30 and 329,148.20

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Solution

The fourth proportional to 683,442.20, 1,025,163.30 and 329,148.20 is: 493,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,442.20 : 1,025,163.30 = 329,148.20 : x
  2. Step 2: Convert to fraction form
    683,442.20/1,025,163.30 = 329,148.20/x
  3. Step 3: Cross multiply
    683,442.20x = 1,025,163.30 × 329,148.20
  4. Step 4: Simplify right side
    683,442.20x = 337,430,654,901.06
  5. Step 5: Solve for x
    x = 337,430,654,901.06/683,442.20
  6. Step 6: Final answer
    x = 493,722.30

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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.