Home / 725,540.90-1,088,491.77-252,230.36

Finding the Fourth Proportional to 725,540.90, 1,088,491.77 and 252,230.36

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Solution

The fourth proportional to 725,540.90, 1,088,491.77 and 252,230.36 is: 378,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,540.90 : 1,088,491.77 = 252,230.36 : x
  2. Step 2: Convert to fraction form
    725,540.90/1,088,491.77 = 252,230.36/x
  3. Step 3: Cross multiply
    725,540.90x = 1,088,491.77 × 252,230.36
  4. Step 4: Simplify right side
    725,540.90x = 274,550,665,561.68
  5. Step 5: Solve for x
    x = 274,550,665,561.68/725,540.90
  6. Step 6: Final answer
    x = 378,408.26

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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.