Home / 394,996.24-592,555.80-128,694.76

Finding the Fourth Proportional to 394,996.24, 592,555.80 and 128,694.76

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Solution

The fourth proportional to 394,996.24, 592,555.80 and 128,694.76 is: 193,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,996.24 : 592,555.80 = 128,694.76 : x
  2. Step 2: Convert to fraction form
    394,996.24/592,555.80 = 128,694.76/x
  3. Step 3: Cross multiply
    394,996.24x = 592,555.80 × 128,694.76
  4. Step 4: Simplify right side
    394,996.24x = 76,258,826,467.61
  5. Step 5: Solve for x
    x = 76,258,826,467.61/394,996.24
  6. Step 6: Final answer
    x = 193,062.16

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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.