Home / 748,859.60-1,123,289.40-734,862.80

Finding the Fourth Proportional to 748,859.60, 1,123,289.40 and 734,862.80

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Solution

The fourth proportional to 748,859.60, 1,123,289.40 and 734,862.80 is: 1,102,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,859.60 : 1,123,289.40 = 734,862.80 : x
  2. Step 2: Convert to fraction form
    748,859.60/1,123,289.40 = 734,862.80/x
  3. Step 3: Cross multiply
    748,859.60x = 1,123,289.40 × 734,862.80
  4. Step 4: Simplify right side
    748,859.60x = 825,463,593,694.32
  5. Step 5: Solve for x
    x = 825,463,593,694.32/748,859.60
  6. Step 6: Final answer
    x = 1,102,294.20

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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.