Home / 1,040,839.30-1,435,565.71-895,891.78

Finding the Fourth Proportional to 1,040,839.30, 1,435,565.71 and 895,891.78

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Solution

The fourth proportional to 1,040,839.30, 1,435,565.71 and 895,891.78 is: 1,235,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,839.30 : 1,435,565.71 = 895,891.78 : x
  2. Step 2: Convert to fraction form
    1,040,839.30/1,435,565.71 = 895,891.78/x
  3. Step 3: Cross multiply
    1,040,839.30x = 1,435,565.71 × 895,891.78
  4. Step 4: Simplify right side
    1,040,839.30x = 1,286,111,519,238.86
  5. Step 5: Solve for x
    x = 1,286,111,519,238.86/1,040,839.30
  6. Step 6: Final answer
    x = 1,235,648.50

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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.