Home / 725,171.60-1,086,720.60-534,141.20

Finding the Fourth Proportional to 725,171.60, 1,086,720.60 and 534,141.20

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Solution

The fourth proportional to 725,171.60, 1,086,720.60 and 534,141.20 is: 800,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,171.60 : 1,086,720.60 = 534,141.20 : x
  2. Step 2: Convert to fraction form
    725,171.60/1,086,720.60 = 534,141.20/x
  3. Step 3: Cross multiply
    725,171.60x = 1,086,720.60 × 534,141.20
  4. Step 4: Simplify right side
    725,171.60x = 580,462,245,348.72
  5. Step 5: Solve for x
    x = 580,462,245,348.72/725,171.60
  6. Step 6: Final answer
    x = 800,448.12

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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.