Home / 558,979.16-838,351.18-179,933.78

Finding the Fourth Proportional to 558,979.16, 838,351.18 and 179,933.78

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Solution

The fourth proportional to 558,979.16, 838,351.18 and 179,933.78 is: 269,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,979.16 : 838,351.18 = 179,933.78 : x
  2. Step 2: Convert to fraction form
    558,979.16/838,351.18 = 179,933.78/x
  3. Step 3: Cross multiply
    558,979.16x = 838,351.18 × 179,933.78
  4. Step 4: Simplify right side
    558,979.16x = 150,847,696,784.86
  5. Step 5: Solve for x
    x = 150,847,696,784.86/558,979.16
  6. Step 6: Final answer
    x = 269,862.83

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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.