Home / 567,401.70-851,102.55-331,011.30

Finding the Fourth Proportional to 567,401.70, 851,102.55 and 331,011.30

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Solution

The fourth proportional to 567,401.70, 851,102.55 and 331,011.30 is: 496,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,401.70 : 851,102.55 = 331,011.30 : x
  2. Step 2: Convert to fraction form
    567,401.70/851,102.55 = 331,011.30/x
  3. Step 3: Cross multiply
    567,401.70x = 851,102.55 × 331,011.30
  4. Step 4: Simplify right side
    567,401.70x = 281,724,561,508.82
  5. Step 5: Solve for x
    x = 281,724,561,508.82/567,401.70
  6. Step 6: Final answer
    x = 496,516.95

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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.