Home / 567,502.20-851,253.30-331,111.80

Finding the Fourth Proportional to 567,502.20, 851,253.30 and 331,111.80

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Solution

The fourth proportional to 567,502.20, 851,253.30 and 331,111.80 is: 496,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,502.20 : 851,253.30 = 331,111.80 : x
  2. Step 2: Convert to fraction form
    567,502.20/851,253.30 = 331,111.80/x
  3. Step 3: Cross multiply
    567,502.20x = 851,253.30 × 331,111.80
  4. Step 4: Simplify right side
    567,502.20x = 281,860,012,418.94
  5. Step 5: Solve for x
    x = 281,860,012,418.94/567,502.20
  6. Step 6: Final answer
    x = 496,667.70

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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.