Home / 783,039.20-1,175,433.60-731,644.70

Finding the Fourth Proportional to 783,039.20, 1,175,433.60 and 731,644.70

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Solution

The fourth proportional to 783,039.20, 1,175,433.60 and 731,644.70 is: 1,098,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,039.20 : 1,175,433.60 = 731,644.70 : x
  2. Step 2: Convert to fraction form
    783,039.20/1,175,433.60 = 731,644.70/x
  3. Step 3: Cross multiply
    783,039.20x = 1,175,433.60 × 731,644.70
  4. Step 4: Simplify right side
    783,039.20x = 859,999,763,641.92
  5. Step 5: Solve for x
    x = 859,999,763,641.92/783,039.20
  6. Step 6: Final answer
    x = 1,098,284.43

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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.