Home / 694,065.92-957,823.79-422,145.27

Finding the Fourth Proportional to 694,065.92, 957,823.79 and 422,145.27

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Solution

The fourth proportional to 694,065.92, 957,823.79 and 422,145.27 is: 582,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,065.92 : 957,823.79 = 422,145.27 : x
  2. Step 2: Convert to fraction form
    694,065.92/957,823.79 = 422,145.27/x
  3. Step 3: Cross multiply
    694,065.92x = 957,823.79 × 422,145.27
  4. Step 4: Simplify right side
    694,065.92x = 404,340,780,331.25
  5. Step 5: Solve for x
    x = 404,340,780,331.25/694,065.92
  6. Step 6: Final answer
    x = 582,568.27

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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.