Home / 627,778.10-941,321.55-206,837.30

Finding the Fourth Proportional to 627,778.10, 941,321.55 and 206,837.30

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Solution

The fourth proportional to 627,778.10, 941,321.55 and 206,837.30 is: 310,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,778.10 : 941,321.55 = 206,837.30 : x
  2. Step 2: Convert to fraction form
    627,778.10/941,321.55 = 206,837.30/x
  3. Step 3: Cross multiply
    627,778.10x = 941,321.55 × 206,837.30
  4. Step 4: Simplify right side
    627,778.10x = 194,700,407,833.82
  5. Step 5: Solve for x
    x = 194,700,407,833.82/627,778.10
  6. Step 6: Final answer
    x = 310,142.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.