Home / 516,424.34-774,634.96-137,344.75

Finding the Fourth Proportional to 516,424.34, 774,634.96 and 137,344.75

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Solution

The fourth proportional to 516,424.34, 774,634.96 and 137,344.75 is: 206,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,424.34 : 774,634.96 = 137,344.75 : x
  2. Step 2: Convert to fraction form
    516,424.34/774,634.96 = 137,344.75/x
  3. Step 3: Cross multiply
    516,424.34x = 774,634.96 × 137,344.75
  4. Step 4: Simplify right side
    516,424.34x = 106,392,044,922.46
  5. Step 5: Solve for x
    x = 106,392,044,922.46/516,424.34
  6. Step 6: Final answer
    x = 206,016.71

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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.