Home / 752,745-1,129,504.68-500,199.96

Finding the Fourth Proportional to 752,745, 1,129,504.68 and 500,199.96

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Solution

The fourth proportional to 752,745, 1,129,504.68 and 500,199.96 is: 750,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,745 : 1,129,504.68 = 500,199.96 : x
  2. Step 2: Convert to fraction form
    752,745/1,129,504.68 = 500,199.96/x
  3. Step 3: Cross multiply
    752,745x = 1,129,504.68 × 500,199.96
  4. Step 4: Simplify right side
    752,745x = 564,978,195,755.81
  5. Step 5: Solve for x
    x = 564,978,195,755.81/752,745
  6. Step 6: Final answer
    x = 750,557.22

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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.