Home / 787,910.80-1,181,866.20-741,254.80

Finding the Fourth Proportional to 787,910.80, 1,181,866.20 and 741,254.80

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Solution

The fourth proportional to 787,910.80, 1,181,866.20 and 741,254.80 is: 1,111,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,910.80 : 1,181,866.20 = 741,254.80 : x
  2. Step 2: Convert to fraction form
    787,910.80/1,181,866.20 = 741,254.80/x
  3. Step 3: Cross multiply
    787,910.80x = 1,181,866.20 × 741,254.80
  4. Step 4: Simplify right side
    787,910.80x = 876,063,993,707.76
  5. Step 5: Solve for x
    x = 876,063,993,707.76/787,910.80
  6. Step 6: Final answer
    x = 1,111,882.20

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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.