Home / 1,436,085.11-1,981,809.52-791,506.96

Finding the Fourth Proportional to 1,436,085.11, 1,981,809.52 and 791,506.96

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Solution

The fourth proportional to 1,436,085.11, 1,981,809.52 and 791,506.96 is: 1,092,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,085.11 : 1,981,809.52 = 791,506.96 : x
  2. Step 2: Convert to fraction form
    1,436,085.11/1,981,809.52 = 791,506.96/x
  3. Step 3: Cross multiply
    1,436,085.11x = 1,981,809.52 × 791,506.96
  4. Step 4: Simplify right side
    1,436,085.11x = 1,568,616,021,540.97
  5. Step 5: Solve for x
    x = 1,568,616,021,540.97/1,436,085.11
  6. Step 6: Final answer
    x = 1,092,286.25

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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.