Home / 969,843.92-1,338,288.54-540,163.94

Finding the Fourth Proportional to 969,843.92, 1,338,288.54 and 540,163.94

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Solution

The fourth proportional to 969,843.92, 1,338,288.54 and 540,163.94 is: 745,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,843.92 : 1,338,288.54 = 540,163.94 : x
  2. Step 2: Convert to fraction form
    969,843.92/1,338,288.54 = 540,163.94/x
  3. Step 3: Cross multiply
    969,843.92x = 1,338,288.54 × 540,163.94
  4. Step 4: Simplify right side
    969,843.92x = 722,895,210,623.25
  5. Step 5: Solve for x
    x = 722,895,210,623.25/969,843.92
  6. Step 6: Final answer
    x = 745,372.73

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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.