Home / 567,819.72-852,320.34-418,228.92

Finding the Fourth Proportional to 567,819.72, 852,320.34 and 418,228.92

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Solution

The fourth proportional to 567,819.72, 852,320.34 and 418,228.92 is: 627,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,819.72 : 852,320.34 = 418,228.92 : x
  2. Step 2: Convert to fraction form
    567,819.72/852,320.34 = 418,228.92/x
  3. Step 3: Cross multiply
    567,819.72x = 852,320.34 × 418,228.92
  4. Step 4: Simplify right side
    567,819.72x = 356,465,015,292.23
  5. Step 5: Solve for x
    x = 356,465,015,292.23/567,819.72
  6. Step 6: Final answer
    x = 627,778.51

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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.