Home / 558,819.78-838,237.36-159,460.43

Finding the Fourth Proportional to 558,819.78, 838,237.36 and 159,460.43

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Solution

The fourth proportional to 558,819.78, 838,237.36 and 159,460.43 is: 239,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,819.78 : 838,237.36 = 159,460.43 : x
  2. Step 2: Convert to fraction form
    558,819.78/838,237.36 = 159,460.43/x
  3. Step 3: Cross multiply
    558,819.78x = 838,237.36 × 159,460.43
  4. Step 4: Simplify right side
    558,819.78x = 133,665,690,291.90
  5. Step 5: Solve for x
    x = 133,665,690,291.90/558,819.78
  6. Step 6: Final answer
    x = 239,192.84

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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.