Home / 558,821.78-838,240.36-159,462.43

Finding the Fourth Proportional to 558,821.78, 838,240.36 and 159,462.43

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Solution

The fourth proportional to 558,821.78, 838,240.36 and 159,462.43 is: 239,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,821.78 : 838,240.36 = 159,462.43 : x
  2. Step 2: Convert to fraction form
    558,821.78/838,240.36 = 159,462.43/x
  3. Step 3: Cross multiply
    558,821.78x = 838,240.36 × 159,462.43
  4. Step 4: Simplify right side
    558,821.78x = 133,667,844,729.68
  5. Step 5: Solve for x
    x = 133,667,844,729.68/558,821.78
  6. Step 6: Final answer
    x = 239,195.84

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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.