Home / 1,330,576.11-1,836,195.73-718,728.85

Finding the Fourth Proportional to 1,330,576.11, 1,836,195.73 and 718,728.85

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Solution

The fourth proportional to 1,330,576.11, 1,836,195.73 and 718,728.85 is: 991,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,576.11 : 1,836,195.73 = 718,728.85 : x
  2. Step 2: Convert to fraction form
    1,330,576.11/1,836,195.73 = 718,728.85/x
  3. Step 3: Cross multiply
    1,330,576.11x = 1,836,195.73 × 718,728.85
  4. Step 4: Simplify right side
    1,330,576.11x = 1,319,726,853,081.96
  5. Step 5: Solve for x
    x = 1,319,726,853,081.96/1,330,576.11
  6. Step 6: Final answer
    x = 991,846.20

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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.