Home / 1,436,178.51-1,981,891.26-791,584.56

Finding the Fourth Proportional to 1,436,178.51, 1,981,891.26 and 791,584.56

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Solution

The fourth proportional to 1,436,178.51, 1,981,891.26 and 791,584.56 is: 1,092,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,178.51 : 1,981,891.26 = 791,584.56 : x
  2. Step 2: Convert to fraction form
    1,436,178.51/1,981,891.26 = 791,584.56/x
  3. Step 3: Cross multiply
    1,436,178.51x = 1,981,891.26 × 791,584.56
  4. Step 4: Simplify right side
    1,436,178.51x = 1,568,834,521,014.95
  5. Step 5: Solve for x
    x = 1,568,834,521,014.95/1,436,178.51
  6. Step 6: Final answer
    x = 1,092,367.36

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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.