Home / 481,301.13-664,370.52-280,097.13

Finding the Fourth Proportional to 481,301.13, 664,370.52 and 280,097.13

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Solution

The fourth proportional to 481,301.13, 664,370.52 and 280,097.13 is: 386,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,301.13 : 664,370.52 = 280,097.13 : x
  2. Step 2: Convert to fraction form
    481,301.13/664,370.52 = 280,097.13/x
  3. Step 3: Cross multiply
    481,301.13x = 664,370.52 × 280,097.13
  4. Step 4: Simplify right side
    481,301.13x = 186,088,275,908.61
  5. Step 5: Solve for x
    x = 186,088,275,908.61/481,301.13
  6. Step 6: Final answer
    x = 386,635.86

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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.