Home / 958,843.80-1,438,265.70-787,601.70

Finding the Fourth Proportional to 958,843.80, 1,438,265.70 and 787,601.70

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Solution

The fourth proportional to 958,843.80, 1,438,265.70 and 787,601.70 is: 1,181,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,843.80 : 1,438,265.70 = 787,601.70 : x
  2. Step 2: Convert to fraction form
    958,843.80/1,438,265.70 = 787,601.70/x
  3. Step 3: Cross multiply
    958,843.80x = 1,438,265.70 × 787,601.70
  4. Step 4: Simplify right side
    958,843.80x = 1,132,780,510,371.69
  5. Step 5: Solve for x
    x = 1,132,780,510,371.69/958,843.80
  6. Step 6: Final answer
    x = 1,181,402.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.