Home / 748,906.60-1,123,359.90-734,909.80

Finding the Fourth Proportional to 748,906.60, 1,123,359.90 and 734,909.80

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Solution

The fourth proportional to 748,906.60, 1,123,359.90 and 734,909.80 is: 1,102,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,906.60 : 1,123,359.90 = 734,909.80 : x
  2. Step 2: Convert to fraction form
    748,906.60/1,123,359.90 = 734,909.80/x
  3. Step 3: Cross multiply
    748,906.60x = 1,123,359.90 × 734,909.80
  4. Step 4: Simplify right side
    748,906.60x = 825,568,199,437.02
  5. Step 5: Solve for x
    x = 825,568,199,437.02/748,906.60
  6. Step 6: Final answer
    x = 1,102,364.70

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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.