Home / 712,175.06-982,868.37-425,689.00

Finding the Fourth Proportional to 712,175.06, 982,868.37 and 425,689.00

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Solution

The fourth proportional to 712,175.06, 982,868.37 and 425,689.00 is: 587,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,175.06 : 982,868.37 = 425,689.00 : x
  2. Step 2: Convert to fraction form
    712,175.06/982,868.37 = 425,689.00/x
  3. Step 3: Cross multiply
    712,175.06x = 982,868.37 × 425,689.00
  4. Step 4: Simplify right side
    712,175.06x = 418,396,248,642.59
  5. Step 5: Solve for x
    x = 418,396,248,642.59/712,175.06
  6. Step 6: Final answer
    x = 587,490.73

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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.