Home / 1,153,901.28-1,731,744.72-754,433.76

Finding the Fourth Proportional to 1,153,901.28, 1,731,744.72 and 754,433.76

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Solution

The fourth proportional to 1,153,901.28, 1,731,744.72 and 754,433.76 is: 1,132,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,901.28 : 1,731,744.72 = 754,433.76 : x
  2. Step 2: Convert to fraction form
    1,153,901.28/1,731,744.72 = 754,433.76/x
  3. Step 3: Cross multiply
    1,153,901.28x = 1,731,744.72 × 754,433.76
  4. Step 4: Simplify right side
    1,153,901.28x = 1,306,486,680,469.75
  5. Step 5: Solve for x
    x = 1,306,486,680,469.75/1,153,901.28
  6. Step 6: Final answer
    x = 1,132,234.36

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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.