Home / 627,711.60-941,567.40-206,932.80

Finding the Fourth Proportional to 627,711.60, 941,567.40 and 206,932.80

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Solution

The fourth proportional to 627,711.60, 941,567.40 and 206,932.80 is: 310,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,711.60 : 941,567.40 = 206,932.80 : x
  2. Step 2: Convert to fraction form
    627,711.60/941,567.40 = 206,932.80/x
  3. Step 3: Cross multiply
    627,711.60x = 941,567.40 × 206,932.80
  4. Step 4: Simplify right side
    627,711.60x = 194,841,178,470.72
  5. Step 5: Solve for x
    x = 194,841,178,470.72/627,711.60
  6. Step 6: Final answer
    x = 310,399.20

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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.