Home / 1,040,786.32-1,435,758.96-696,636.88

Finding the Fourth Proportional to 1,040,786.32, 1,435,758.96 and 696,636.88

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Solution

The fourth proportional to 1,040,786.32, 1,435,758.96 and 696,636.88 is: 961,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,786.32 : 1,435,758.96 = 696,636.88 : x
  2. Step 2: Convert to fraction form
    1,040,786.32/1,435,758.96 = 696,636.88/x
  3. Step 3: Cross multiply
    1,040,786.32x = 1,435,758.96 × 696,636.88
  4. Step 4: Simplify right side
    1,040,786.32x = 1,000,202,642,326.44
  5. Step 5: Solve for x
    x = 1,000,202,642,326.44/1,040,786.32
  6. Step 6: Final answer
    x = 961,006.71

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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.