Home / 1,264,119.39-1,744,472.82-691,153.47

Finding the Fourth Proportional to 1,264,119.39, 1,744,472.82 and 691,153.47

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Solution

The fourth proportional to 1,264,119.39, 1,744,472.82 and 691,153.47 is: 953,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,119.39 : 1,744,472.82 = 691,153.47 : x
  2. Step 2: Convert to fraction form
    1,264,119.39/1,744,472.82 = 691,153.47/x
  3. Step 3: Cross multiply
    1,264,119.39x = 1,744,472.82 × 691,153.47
  4. Step 4: Simplify right side
    1,264,119.39x = 1,205,698,442,863.69
  5. Step 5: Solve for x
    x = 1,205,698,442,863.69/1,264,119.39
  6. Step 6: Final answer
    x = 953,785.26

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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.