Home / 677,936.56-1,016,506.12-257,242

Finding the Fourth Proportional to 677,936.56, 1,016,506.12 and 257,242

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Solution

The fourth proportional to 677,936.56, 1,016,506.12 and 257,242 is: 385,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,936.56 : 1,016,506.12 = 257,242 : x
  2. Step 2: Convert to fraction form
    677,936.56/1,016,506.12 = 257,242/x
  3. Step 3: Cross multiply
    677,936.56x = 1,016,506.12 × 257,242
  4. Step 4: Simplify right side
    677,936.56x = 261,488,067,321.04
  5. Step 5: Solve for x
    x = 261,488,067,321.04/677,936.56
  6. Step 6: Final answer
    x = 385,711.71

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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.