Home / 1,338,190.38-1,846,704.59-726,343.28

Finding the Fourth Proportional to 1,338,190.38, 1,846,704.59 and 726,343.28

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Solution

The fourth proportional to 1,338,190.38, 1,846,704.59 and 726,343.28 is: 1,002,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,190.38 : 1,846,704.59 = 726,343.28 : x
  2. Step 2: Convert to fraction form
    1,338,190.38/1,846,704.59 = 726,343.28/x
  3. Step 3: Cross multiply
    1,338,190.38x = 1,846,704.59 × 726,343.28
  4. Step 4: Simplify right side
    1,338,190.38x = 1,341,341,469,091.66
  5. Step 5: Solve for x
    x = 1,341,341,469,091.66/1,338,190.38
  6. Step 6: Final answer
    x = 1,002,354.74

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Double scale
Find fourth proportional to 1,338,191.38, 1,846,705.97 and 726,344.28
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1.5x scale

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.