Home / 422,736.36-583,360.68-231,745.56

Finding the Fourth Proportional to 422,736.36, 583,360.68 and 231,745.56

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Solution

The fourth proportional to 422,736.36, 583,360.68 and 231,745.56 is: 319,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,736.36 : 583,360.68 = 231,745.56 : x
  2. Step 2: Convert to fraction form
    422,736.36/583,360.68 = 231,745.56/x
  3. Step 3: Cross multiply
    422,736.36x = 583,360.68 × 231,745.56
  4. Step 4: Simplify right side
    422,736.36x = 135,191,247,468.58
  5. Step 5: Solve for x
    x = 135,191,247,468.58/422,736.36
  6. Step 6: Final answer
    x = 319,800.38

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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.