Home / 375,748.56-518,520.96-205,979.04

Finding the Fourth Proportional to 375,748.56, 518,520.96 and 205,979.04

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Solution

The fourth proportional to 375,748.56, 518,520.96 and 205,979.04 is: 284,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,748.56 : 518,520.96 = 205,979.04 : x
  2. Step 2: Convert to fraction form
    375,748.56/518,520.96 = 205,979.04/x
  3. Step 3: Cross multiply
    375,748.56x = 518,520.96 × 205,979.04
  4. Step 4: Simplify right side
    375,748.56x = 106,804,449,560.68
  5. Step 5: Solve for x
    x = 106,804,449,560.68/375,748.56
  6. Step 6: Final answer
    x = 284,244.47

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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.