Home / 791,500.80-1,187,251.20-693,196.80

Finding the Fourth Proportional to 791,500.80, 1,187,251.20 and 693,196.80

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Solution

The fourth proportional to 791,500.80, 1,187,251.20 and 693,196.80 is: 1,039,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,500.80 : 1,187,251.20 = 693,196.80 : x
  2. Step 2: Convert to fraction form
    791,500.80/1,187,251.20 = 693,196.80/x
  3. Step 3: Cross multiply
    791,500.80x = 1,187,251.20 × 693,196.80
  4. Step 4: Simplify right side
    791,500.80x = 822,998,732,636.16
  5. Step 5: Solve for x
    x = 822,998,732,636.16/791,500.80
  6. Step 6: Final answer
    x = 1,039,795.20

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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.