Home / 609,278.20-840,745.55-337,336.13

Finding the Fourth Proportional to 609,278.20, 840,745.55 and 337,336.13

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Solution

The fourth proportional to 609,278.20, 840,745.55 and 337,336.13 is: 465,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,278.20 : 840,745.55 = 337,336.13 : x
  2. Step 2: Convert to fraction form
    609,278.20/840,745.55 = 337,336.13/x
  3. Step 3: Cross multiply
    609,278.20x = 840,745.55 × 337,336.13
  4. Step 4: Simplify right side
    609,278.20x = 283,613,853,096.93
  5. Step 5: Solve for x
    x = 283,613,853,096.93/609,278.20
  6. Step 6: Final answer
    x = 465,491.55

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.