Home / 481,480.11-664,377.39-266,614.65

Finding the Fourth Proportional to 481,480.11, 664,377.39 and 266,614.65

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Solution

The fourth proportional to 481,480.11, 664,377.39 and 266,614.65 is: 367,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,480.11 : 664,377.39 = 266,614.65 : x
  2. Step 2: Convert to fraction form
    481,480.11/664,377.39 = 266,614.65/x
  3. Step 3: Cross multiply
    481,480.11x = 664,377.39 × 266,614.65
  4. Step 4: Simplify right side
    481,480.11x = 177,132,745,302.76
  5. Step 5: Solve for x
    x = 177,132,745,302.76/481,480.11
  6. Step 6: Final answer
    x = 367,892.13

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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.