Home / 775,380.40-1,162,917.26-736,930.36

Finding the Fourth Proportional to 775,380.40, 1,162,917.26 and 736,930.36

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Solution

The fourth proportional to 775,380.40, 1,162,917.26 and 736,930.36 is: 1,105,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,380.40 : 1,162,917.26 = 736,930.36 : x
  2. Step 2: Convert to fraction form
    775,380.40/1,162,917.26 = 736,930.36/x
  3. Step 3: Cross multiply
    775,380.40x = 1,162,917.26 × 736,930.36
  4. Step 4: Simplify right side
    775,380.40x = 856,989,035,062.01
  5. Step 5: Solve for x
    x = 856,989,035,062.01/775,380.40
  6. Step 6: Final answer
    x = 1,105,249.80

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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.