Home / 791,839.40-1,187,759.10-746,220.20

Finding the Fourth Proportional to 791,839.40, 1,187,759.10 and 746,220.20

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Solution

The fourth proportional to 791,839.40, 1,187,759.10 and 746,220.20 is: 1,119,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,839.40 : 1,187,759.10 = 746,220.20 : x
  2. Step 2: Convert to fraction form
    791,839.40/1,187,759.10 = 746,220.20/x
  3. Step 3: Cross multiply
    791,839.40x = 1,187,759.10 × 746,220.20
  4. Step 4: Simplify right side
    791,839.40x = 886,329,833,153.82
  5. Step 5: Solve for x
    x = 886,329,833,153.82/791,839.40
  6. Step 6: Final answer
    x = 1,119,330.30

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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.