Home / 498,904.80-748,357.20-124,927.80

Finding the Fourth Proportional to 498,904.80, 748,357.20 and 124,927.80

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Solution

The fourth proportional to 498,904.80, 748,357.20 and 124,927.80 is: 187,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,904.80 : 748,357.20 = 124,927.80 : x
  2. Step 2: Convert to fraction form
    498,904.80/748,357.20 = 124,927.80/x
  3. Step 3: Cross multiply
    498,904.80x = 748,357.20 × 124,927.80
  4. Step 4: Simplify right side
    498,904.80x = 93,490,618,610.16
  5. Step 5: Solve for x
    x = 93,490,618,610.16/498,904.80
  6. Step 6: Final answer
    x = 187,391.70

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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.