Home / 725,068.80-1,086,540.80-650,188.80

Finding the Fourth Proportional to 725,068.80, 1,086,540.80 and 650,188.80

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Solution

The fourth proportional to 725,068.80, 1,086,540.80 and 650,188.80 is: 974,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,068.80 : 1,086,540.80 = 650,188.80 : x
  2. Step 2: Convert to fraction form
    725,068.80/1,086,540.80 = 650,188.80/x
  3. Step 3: Cross multiply
    725,068.80x = 1,086,540.80 × 650,188.80
  4. Step 4: Simplify right side
    725,068.80x = 706,456,658,903.04
  5. Step 5: Solve for x
    x = 706,456,658,903.04/725,068.80
  6. Step 6: Final answer
    x = 974,330.52

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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.