Home / 1,436,081.74-1,981,804.86-791,503.58

Finding the Fourth Proportional to 1,436,081.74, 1,981,804.86 and 791,503.58

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Solution

The fourth proportional to 1,436,081.74, 1,981,804.86 and 791,503.58 is: 1,092,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,081.74 : 1,981,804.86 = 791,503.58 : x
  2. Step 2: Convert to fraction form
    1,436,081.74/1,981,804.86 = 791,503.58/x
  3. Step 3: Cross multiply
    1,436,081.74x = 1,981,804.86 × 791,503.58
  4. Step 4: Simplify right side
    1,436,081.74x = 1,568,605,646,505.91
  5. Step 5: Solve for x
    x = 1,568,605,646,505.91/1,436,081.74
  6. Step 6: Final answer
    x = 1,092,281.59

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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.