Home / 726,879.38-1,003,093.58-404,582.56

Finding the Fourth Proportional to 726,879.38, 1,003,093.58 and 404,582.56

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Solution

The fourth proportional to 726,879.38, 1,003,093.58 and 404,582.56 is: 558,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,879.38 : 1,003,093.58 = 404,582.56 : x
  2. Step 2: Convert to fraction form
    726,879.38/1,003,093.58 = 404,582.56/x
  3. Step 3: Cross multiply
    726,879.38x = 1,003,093.58 × 404,582.56
  4. Step 4: Simplify right side
    726,879.38x = 405,834,168,515.97
  5. Step 5: Solve for x
    x = 405,834,168,515.97/726,879.38
  6. Step 6: Final answer
    x = 558,323.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.