Home / 809,132.98-1,207,546.97-719,454.64

Finding the Fourth Proportional to 809,132.98, 1,207,546.97 and 719,454.64

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Solution

The fourth proportional to 809,132.98, 1,207,546.97 and 719,454.64 is: 1,073,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,132.98 : 1,207,546.97 = 719,454.64 : x
  2. Step 2: Convert to fraction form
    809,132.98/1,207,546.97 = 719,454.64/x
  3. Step 3: Cross multiply
    809,132.98x = 1,207,546.97 × 719,454.64
  4. Step 4: Simplify right side
    809,132.98x = 868,775,270,584.44
  5. Step 5: Solve for x
    x = 868,775,270,584.44/809,132.98
  6. Step 6: Final answer
    x = 1,073,711.36

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.