Home / 1,412,913.05-1,949,761.13-801,107.20

Finding the Fourth Proportional to 1,412,913.05, 1,949,761.13 and 801,107.20

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Solution

The fourth proportional to 1,412,913.05, 1,949,761.13 and 801,107.20 is: 1,105,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,913.05 : 1,949,761.13 = 801,107.20 : x
  2. Step 2: Convert to fraction form
    1,412,913.05/1,949,761.13 = 801,107.20/x
  3. Step 3: Cross multiply
    1,412,913.05x = 1,949,761.13 × 801,107.20
  4. Step 4: Simplify right side
    1,412,913.05x = 1,561,967,675,517.60
  5. Step 5: Solve for x
    x = 1,561,967,675,517.60/1,412,913.05
  6. Step 6: Final answer
    x = 1,105,494.55

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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.