Home / 1,040,786.97-1,436,526.05-677,578.38

Finding the Fourth Proportional to 1,040,786.97, 1,436,526.05 and 677,578.38

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Solution

The fourth proportional to 1,040,786.97, 1,436,526.05 and 677,578.38 is: 935,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,786.97 : 1,436,526.05 = 677,578.38 : x
  2. Step 2: Convert to fraction form
    1,040,786.97/1,436,526.05 = 677,578.38/x
  3. Step 3: Cross multiply
    1,040,786.97x = 1,436,526.05 × 677,578.38
  4. Step 4: Simplify right side
    1,040,786.97x = 973,358,993,786.80
  5. Step 5: Solve for x
    x = 973,358,993,786.80/1,040,786.97
  6. Step 6: Final answer
    x = 935,214.43

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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.