Home / 752,236.50-1,038,104.61-412,704.75

Finding the Fourth Proportional to 752,236.50, 1,038,104.61 and 412,704.75

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Solution

The fourth proportional to 752,236.50, 1,038,104.61 and 412,704.75 is: 569,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,236.50 : 1,038,104.61 = 412,704.75 : x
  2. Step 2: Convert to fraction form
    752,236.50/1,038,104.61 = 412,704.75/x
  3. Step 3: Cross multiply
    752,236.50x = 1,038,104.61 × 412,704.75
  4. Step 4: Simplify right side
    752,236.50x = 428,430,703,543.90
  5. Step 5: Solve for x
    x = 428,430,703,543.90/752,236.50
  6. Step 6: Final answer
    x = 569,542.56

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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.