Home / 584,132.10-876,198.15-318,411.60

Finding the Fourth Proportional to 584,132.10, 876,198.15 and 318,411.60

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Solution

The fourth proportional to 584,132.10, 876,198.15 and 318,411.60 is: 477,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,132.10 : 876,198.15 = 318,411.60 : x
  2. Step 2: Convert to fraction form
    584,132.10/876,198.15 = 318,411.60/x
  3. Step 3: Cross multiply
    584,132.10x = 876,198.15 × 318,411.60
  4. Step 4: Simplify right side
    584,132.10x = 278,991,654,858.54
  5. Step 5: Solve for x
    x = 278,991,654,858.54/584,132.10
  6. Step 6: Final answer
    x = 477,617.40

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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.