Home / 654,993.18-982,489.71-181,678.56

Finding the Fourth Proportional to 654,993.18, 982,489.71 and 181,678.56

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Solution

The fourth proportional to 654,993.18, 982,489.71 and 181,678.56 is: 272,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,993.18 : 982,489.71 = 181,678.56 : x
  2. Step 2: Convert to fraction form
    654,993.18/982,489.71 = 181,678.56/x
  3. Step 3: Cross multiply
    654,993.18x = 982,489.71 × 181,678.56
  4. Step 4: Simplify right side
    654,993.18x = 178,497,315,727.62
  5. Step 5: Solve for x
    x = 178,497,315,727.62/654,993.18
  6. Step 6: Final answer
    x = 272,517.82

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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.