Home / 975,686.88-1,463,521.92-762,633.78

Finding the Fourth Proportional to 975,686.88, 1,463,521.92 and 762,633.78

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Solution

The fourth proportional to 975,686.88, 1,463,521.92 and 762,633.78 is: 1,143,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,686.88 : 1,463,521.92 = 762,633.78 : x
  2. Step 2: Convert to fraction form
    975,686.88/1,463,521.92 = 762,633.78/x
  3. Step 3: Cross multiply
    975,686.88x = 1,463,521.92 × 762,633.78
  4. Step 4: Simplify right side
    975,686.88x = 1,116,131,253,962.46
  5. Step 5: Solve for x
    x = 1,116,131,253,962.46/975,686.88
  6. Step 6: Final answer
    x = 1,143,944.10

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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.