Home / 992,304.60-1,489,205.76-726,753.54

Finding the Fourth Proportional to 992,304.60, 1,489,205.76 and 726,753.54

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Solution

The fourth proportional to 992,304.60, 1,489,205.76 and 726,753.54 is: 1,090,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,304.60 : 1,489,205.76 = 726,753.54 : x
  2. Step 2: Convert to fraction form
    992,304.60/1,489,205.76 = 726,753.54/x
  3. Step 3: Cross multiply
    992,304.60x = 1,489,205.76 × 726,753.54
  4. Step 4: Simplify right side
    992,304.60x = 1,082,285,557,868.39
  5. Step 5: Solve for x
    x = 1,082,285,557,868.39/992,304.60
  6. Step 6: Final answer
    x = 1,090,678.77

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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.