Home / 725,508.48-1,088,265.25-220,073.81

Finding the Fourth Proportional to 725,508.48, 1,088,265.25 and 220,073.81

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Solution

The fourth proportional to 725,508.48, 1,088,265.25 and 220,073.81 is: 330,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,508.48 : 1,088,265.25 = 220,073.81 : x
  2. Step 2: Convert to fraction form
    725,508.48/1,088,265.25 = 220,073.81/x
  3. Step 3: Cross multiply
    725,508.48x = 1,088,265.25 × 220,073.81
  4. Step 4: Simplify right side
    725,508.48x = 239,498,678,757.73
  5. Step 5: Solve for x
    x = 239,498,678,757.73/725,508.48
  6. Step 6: Final answer
    x = 330,111.48

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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.