Home / 711,861.20-1,067,791.80-711,861.20

Finding the Fourth Proportional to 711,861.20, 1,067,791.80 and 711,861.20

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Solution

The fourth proportional to 711,861.20, 1,067,791.80 and 711,861.20 is: 1,067,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,861.20 : 1,067,791.80 = 711,861.20 : x
  2. Step 2: Convert to fraction form
    711,861.20/1,067,791.80 = 711,861.20/x
  3. Step 3: Cross multiply
    711,861.20x = 1,067,791.80 × 711,861.20
  4. Step 4: Simplify right side
    711,861.20x = 760,119,552,098.16
  5. Step 5: Solve for x
    x = 760,119,552,098.16/711,861.20
  6. Step 6: Final answer
    x = 1,067,791.80

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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.