Home / 654,729.39-982,135.59-205,467.96

Finding the Fourth Proportional to 654,729.39, 982,135.59 and 205,467.96

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Solution

The fourth proportional to 654,729.39, 982,135.59 and 205,467.96 is: 308,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,729.39 : 982,135.59 = 205,467.96 : x
  2. Step 2: Convert to fraction form
    654,729.39/982,135.59 = 205,467.96/x
  3. Step 3: Cross multiply
    654,729.39x = 982,135.59 × 205,467.96
  4. Step 4: Simplify right side
    654,729.39x = 201,797,396,120.70
  5. Step 5: Solve for x
    x = 201,797,396,120.70/654,729.39
  6. Step 6: Final answer
    x = 308,214.97

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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.