Home / 775,252.86-1,162,786.76-206,676.60

Finding the Fourth Proportional to 775,252.86, 1,162,786.76 and 206,676.60

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Solution

The fourth proportional to 775,252.86, 1,162,786.76 and 206,676.60 is: 309,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,252.86 : 1,162,786.76 = 206,676.60 : x
  2. Step 2: Convert to fraction form
    775,252.86/1,162,786.76 = 206,676.60/x
  3. Step 3: Cross multiply
    775,252.86x = 1,162,786.76 × 206,676.60
  4. Step 4: Simplify right side
    775,252.86x = 240,320,814,081.82
  5. Step 5: Solve for x
    x = 240,320,814,081.82/775,252.86
  6. Step 6: Final answer
    x = 309,990.23

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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.