Home / 422,746.36-583,383.26-231,761.06

Finding the Fourth Proportional to 422,746.36, 583,383.26 and 231,761.06

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Solution

The fourth proportional to 422,746.36, 583,383.26 and 231,761.06 is: 319,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,746.36 : 583,383.26 = 231,761.06 : x
  2. Step 2: Convert to fraction form
    422,746.36/583,383.26 = 231,761.06/x
  3. Step 3: Cross multiply
    422,746.36x = 583,383.26 × 231,761.06
  4. Step 4: Simplify right side
    422,746.36x = 135,205,522,723.86
  5. Step 5: Solve for x
    x = 135,205,522,723.86/422,746.36
  6. Step 6: Final answer
    x = 319,826.58

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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.