Home / 547,059.12-754,867.15-317,580.04

Finding the Fourth Proportional to 547,059.12, 754,867.15 and 317,580.04

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Solution

The fourth proportional to 547,059.12, 754,867.15 and 317,580.04 is: 438,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,059.12 : 754,867.15 = 317,580.04 : x
  2. Step 2: Convert to fraction form
    547,059.12/754,867.15 = 317,580.04/x
  3. Step 3: Cross multiply
    547,059.12x = 754,867.15 × 317,580.04
  4. Step 4: Simplify right side
    547,059.12x = 239,730,739,691.69
  5. Step 5: Solve for x
    x = 239,730,739,691.69/547,059.12
  6. Step 6: Final answer
    x = 438,217.24

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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.