Home / 627,559.20-865,593.68-412,630.56

Finding the Fourth Proportional to 627,559.20, 865,593.68 and 412,630.56

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Solution

The fourth proportional to 627,559.20, 865,593.68 and 412,630.56 is: 569,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,559.20 : 865,593.68 = 412,630.56 : x
  2. Step 2: Convert to fraction form
    627,559.20/865,593.68 = 412,630.56/x
  3. Step 3: Cross multiply
    627,559.20x = 865,593.68 × 412,630.56
  4. Step 4: Simplify right side
    627,559.20x = 357,170,404,910.86
  5. Step 5: Solve for x
    x = 357,170,404,910.86/627,559.20
  6. Step 6: Final answer
    x = 569,142.17

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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.