Home / 775,265.99-1,162,806.64-206,689.73

Finding the Fourth Proportional to 775,265.99, 1,162,806.64 and 206,689.73

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Solution

The fourth proportional to 775,265.99, 1,162,806.64 and 206,689.73 is: 310,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,265.99 : 1,162,806.64 = 206,689.73 : x
  2. Step 2: Convert to fraction form
    775,265.99/1,162,806.64 = 206,689.73/x
  3. Step 3: Cross multiply
    775,265.99x = 1,162,806.64 × 206,689.73
  4. Step 4: Simplify right side
    775,265.99x = 240,340,184,133.05
  5. Step 5: Solve for x
    x = 240,340,184,133.05/775,265.99
  6. Step 6: Final answer
    x = 310,009.97

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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.