Home / 717,815.25-1,072,756.94-676,333.30

Finding the Fourth Proportional to 717,815.25, 1,072,756.94 and 676,333.30

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Solution

The fourth proportional to 717,815.25, 1,072,756.94 and 676,333.30 is: 1,010,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,815.25 : 1,072,756.94 = 676,333.30 : x
  2. Step 2: Convert to fraction form
    717,815.25/1,072,756.94 = 676,333.30/x
  3. Step 3: Cross multiply
    717,815.25x = 1,072,756.94 × 676,333.30
  4. Step 4: Simplify right side
    717,815.25x = 725,541,241,328.10
  5. Step 5: Solve for x
    x = 725,541,241,328.10/717,815.25
  6. Step 6: Final answer
    x = 1,010,763.20

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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.