Home / 769,872.24-1,062,297.72-707,936.40

Finding the Fourth Proportional to 769,872.24, 1,062,297.72 and 707,936.40

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Solution

The fourth proportional to 769,872.24, 1,062,297.72 and 707,936.40 is: 976,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,872.24 : 1,062,297.72 = 707,936.40 : x
  2. Step 2: Convert to fraction form
    769,872.24/1,062,297.72 = 707,936.40/x
  3. Step 3: Cross multiply
    769,872.24x = 1,062,297.72 × 707,936.40
  4. Step 4: Simplify right side
    769,872.24x = 752,039,223,625.01
  5. Step 5: Solve for x
    x = 752,039,223,625.01/769,872.24
  6. Step 6: Final answer
    x = 976,836.40

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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.