Home / 1,253,531.60-1,729,874.76-680,571.44

Finding the Fourth Proportional to 1,253,531.60, 1,729,874.76 and 680,571.44

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Solution

The fourth proportional to 1,253,531.60, 1,729,874.76 and 680,571.44 is: 939,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,531.60 : 1,729,874.76 = 680,571.44 : x
  2. Step 2: Convert to fraction form
    1,253,531.60/1,729,874.76 = 680,571.44/x
  3. Step 3: Cross multiply
    1,253,531.60x = 1,729,874.76 × 680,571.44
  4. Step 4: Simplify right side
    1,253,531.60x = 1,177,303,356,432.85
  5. Step 5: Solve for x
    x = 1,177,303,356,432.85/1,253,531.60
  6. Step 6: Final answer
    x = 939,189.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.