Home / 422,725.80-583,383.96-231,747.24

Finding the Fourth Proportional to 422,725.80, 583,383.96 and 231,747.24

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Solution

The fourth proportional to 422,725.80, 583,383.96 and 231,747.24 is: 319,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,725.80 : 583,383.96 = 231,747.24 : x
  2. Step 2: Convert to fraction form
    422,725.80/583,383.96 = 231,747.24/x
  3. Step 3: Cross multiply
    422,725.80x = 583,383.96 × 231,747.24
  4. Step 4: Simplify right side
    422,725.80x = 135,197,622,590.27
  5. Step 5: Solve for x
    x = 135,197,622,590.27/422,725.80
  6. Step 6: Final answer
    x = 319,823.45

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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.