Home / 1,330,600.38-1,836,229.20-718,753.11

Finding the Fourth Proportional to 1,330,600.38, 1,836,229.20 and 718,753.11

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Solution

The fourth proportional to 1,330,600.38, 1,836,229.20 and 718,753.11 is: 991,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,600.38 : 1,836,229.20 = 718,753.11 : x
  2. Step 2: Convert to fraction form
    1,330,600.38/1,836,229.20 = 718,753.11/x
  3. Step 3: Cross multiply
    1,330,600.38x = 1,836,229.20 × 718,753.11
  4. Step 4: Simplify right side
    1,330,600.38x = 1,319,795,448,172.81
  5. Step 5: Solve for x
    x = 1,319,795,448,172.81/1,330,600.38
  6. Step 6: Final answer
    x = 991,879.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.