Home / 481,280.68-664,159.30-266,416.20

Finding the Fourth Proportional to 481,280.68, 664,159.30 and 266,416.20

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Solution

The fourth proportional to 481,280.68, 664,159.30 and 266,416.20 is: 367,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,280.68 : 664,159.30 = 266,416.20 : x
  2. Step 2: Convert to fraction form
    481,280.68/664,159.30 = 266,416.20/x
  3. Step 3: Cross multiply
    481,280.68x = 664,159.30 × 266,416.20
  4. Step 4: Simplify right side
    481,280.68x = 176,942,796,900.66
  5. Step 5: Solve for x
    x = 176,942,796,900.66/481,280.68
  6. Step 6: Final answer
    x = 367,649.91

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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.