Home / 725,660.31-1,087,456.74-534,618.27

Finding the Fourth Proportional to 725,660.31, 1,087,456.74 and 534,618.27

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Solution

The fourth proportional to 725,660.31, 1,087,456.74 and 534,618.27 is: 801,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,660.31 : 1,087,456.74 = 534,618.27 : x
  2. Step 2: Convert to fraction form
    725,660.31/1,087,456.74 = 534,618.27/x
  3. Step 3: Cross multiply
    725,660.31x = 1,087,456.74 × 534,618.27
  4. Step 4: Simplify right side
    725,660.31x = 581,374,241,038.64
  5. Step 5: Solve for x
    x = 581,374,241,038.64/725,660.31
  6. Step 6: Final answer
    x = 801,165.83

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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.