Home / 1,381,729.83-1,906,791.12-801,065.85

Finding the Fourth Proportional to 1,381,729.83, 1,906,791.12 and 801,065.85

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Solution

The fourth proportional to 1,381,729.83, 1,906,791.12 and 801,065.85 is: 1,105,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,729.83 : 1,906,791.12 = 801,065.85 : x
  2. Step 2: Convert to fraction form
    1,381,729.83/1,906,791.12 = 801,065.85/x
  3. Step 3: Cross multiply
    1,381,729.83x = 1,906,791.12 × 801,065.85
  4. Step 4: Simplify right side
    1,381,729.83x = 1,527,465,249,315.25
  5. Step 5: Solve for x
    x = 1,527,465,249,315.25/1,381,729.83
  6. Step 6: Final answer
    x = 1,105,473.17

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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.