Home / 627,816.60-941,379.30-206,875.80

Finding the Fourth Proportional to 627,816.60, 941,379.30 and 206,875.80

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Solution

The fourth proportional to 627,816.60, 941,379.30 and 206,875.80 is: 310,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,816.60 : 941,379.30 = 206,875.80 : x
  2. Step 2: Convert to fraction form
    627,816.60/941,379.30 = 206,875.80/x
  3. Step 3: Cross multiply
    627,816.60x = 941,379.30 × 206,875.80
  4. Step 4: Simplify right side
    627,816.60x = 194,748,595,790.94
  5. Step 5: Solve for x
    x = 194,748,595,790.94/627,816.60
  6. Step 6: Final answer
    x = 310,199.82

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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.