Home / 401,027.07-553,380.56-231,228.39

Finding the Fourth Proportional to 401,027.07, 553,380.56 and 231,228.39

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Solution

The fourth proportional to 401,027.07, 553,380.56 and 231,228.39 is: 319,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,027.07 : 553,380.56 = 231,228.39 : x
  2. Step 2: Convert to fraction form
    401,027.07/553,380.56 = 231,228.39/x
  3. Step 3: Cross multiply
    401,027.07x = 553,380.56 × 231,228.39
  4. Step 4: Simplify right side
    401,027.07x = 127,957,294,789.96
  5. Step 5: Solve for x
    x = 127,957,294,789.96/401,027.07
  6. Step 6: Final answer
    x = 319,073.96

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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.