Home / 481,081.37-663,882.78-266,221.37

Finding the Fourth Proportional to 481,081.37, 663,882.78 and 266,221.37

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Solution

The fourth proportional to 481,081.37, 663,882.78 and 266,221.37 is: 367,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,081.37 : 663,882.78 = 266,221.37 : x
  2. Step 2: Convert to fraction form
    481,081.37/663,882.78 = 266,221.37/x
  3. Step 3: Cross multiply
    481,081.37x = 663,882.78 × 266,221.37
  4. Step 4: Simplify right side
    481,081.37x = 176,739,779,891.60
  5. Step 5: Solve for x
    x = 176,739,779,891.60/481,081.37
  6. Step 6: Final answer
    x = 367,380.22

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1.5x scale

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.