Home / 1,372,291.92-1,891,398.51-912,584.82

Finding the Fourth Proportional to 1,372,291.92, 1,891,398.51 and 912,584.82

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Solution

The fourth proportional to 1,372,291.92, 1,891,398.51 and 912,584.82 is: 1,257,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,291.92 : 1,891,398.51 = 912,584.82 : x
  2. Step 2: Convert to fraction form
    1,372,291.92/1,891,398.51 = 912,584.82/x
  3. Step 3: Cross multiply
    1,372,291.92x = 1,891,398.51 × 912,584.82
  4. Step 4: Simplify right side
    1,372,291.92x = 1,726,061,568,796.62
  5. Step 5: Solve for x
    x = 1,726,061,568,796.62/1,372,291.92
  6. Step 6: Final answer
    x = 1,257,794.75

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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.