Home / 481,443.62-664,384.05-266,579.06

Finding the Fourth Proportional to 481,443.62, 664,384.05 and 266,579.06

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Solution

The fourth proportional to 481,443.62, 664,384.05 and 266,579.06 is: 367,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,443.62 : 664,384.05 = 266,579.06 : x
  2. Step 2: Convert to fraction form
    481,443.62/664,384.05 = 266,579.06/x
  3. Step 3: Cross multiply
    481,443.62x = 664,384.05 × 266,579.06
  4. Step 4: Simplify right side
    481,443.62x = 177,110,872,206.07
  5. Step 5: Solve for x
    x = 177,110,872,206.07/481,443.62
  6. Step 6: Final answer
    x = 367,874.59

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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.