Home / 422,869.85-583,586.97-231,883.25

Finding the Fourth Proportional to 422,869.85, 583,586.97 and 231,883.25

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Solution

The fourth proportional to 422,869.85, 583,586.97 and 231,883.25 is: 320,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,869.85 : 583,586.97 = 231,883.25 : x
  2. Step 2: Convert to fraction form
    422,869.85/583,586.97 = 231,883.25/x
  3. Step 3: Cross multiply
    422,869.85x = 583,586.97 × 231,883.25
  4. Step 4: Simplify right side
    422,869.85x = 135,324,039,183.90
  5. Step 5: Solve for x
    x = 135,324,039,183.90/422,869.85
  6. Step 6: Final answer
    x = 320,013.45

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1.5x scale

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.