Home / 481,399.24-664,336.20-266,543.08

Finding the Fourth Proportional to 481,399.24, 664,336.20 and 266,543.08

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Solution

The fourth proportional to 481,399.24, 664,336.20 and 266,543.08 is: 367,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,399.24 : 664,336.20 = 266,543.08 : x
  2. Step 2: Convert to fraction form
    481,399.24/664,336.20 = 266,543.08/x
  3. Step 3: Cross multiply
    481,399.24x = 664,336.20 × 266,543.08
  4. Step 4: Simplify right side
    481,399.24x = 177,074,216,903.50
  5. Step 5: Solve for x
    x = 177,074,216,903.50/481,399.24
  6. Step 6: Final answer
    x = 367,832.36

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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.