Home / 375,822.72-518,631.66-206,056.44

Finding the Fourth Proportional to 375,822.72, 518,631.66 and 206,056.44

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Solution

The fourth proportional to 375,822.72, 518,631.66 and 206,056.44 is: 284,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,822.72 : 518,631.66 = 206,056.44 : x
  2. Step 2: Convert to fraction form
    375,822.72/518,631.66 = 206,056.44/x
  3. Step 3: Cross multiply
    375,822.72x = 518,631.66 × 206,056.44
  4. Step 4: Simplify right side
    375,822.72x = 106,867,393,530.89
  5. Step 5: Solve for x
    x = 106,867,393,530.89/375,822.72
  6. Step 6: Final answer
    x = 284,355.86

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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.