Home / 657,306.88-986,016.78-230,806.05

Finding the Fourth Proportional to 657,306.88, 986,016.78 and 230,806.05

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Solution

The fourth proportional to 657,306.88, 986,016.78 and 230,806.05 is: 346,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,306.88 : 986,016.78 = 230,806.05 : x
  2. Step 2: Convert to fraction form
    657,306.88/986,016.78 = 230,806.05/x
  3. Step 3: Cross multiply
    657,306.88x = 986,016.78 × 230,806.05
  4. Step 4: Simplify right side
    657,306.88x = 227,578,633,295.44
  5. Step 5: Solve for x
    x = 227,578,633,295.44/657,306.88
  6. Step 6: Final answer
    x = 346,228.89

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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.