Home / 401,028.95-553,383.14-231,230.27

Finding the Fourth Proportional to 401,028.95, 553,383.14 and 231,230.27

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Solution

The fourth proportional to 401,028.95, 553,383.14 and 231,230.27 is: 319,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,028.95 : 553,383.14 = 231,230.27 : x
  2. Step 2: Convert to fraction form
    401,028.95/553,383.14 = 231,230.27/x
  3. Step 3: Cross multiply
    401,028.95x = 553,383.14 × 231,230.27
  4. Step 4: Simplify right side
    401,028.95x = 127,958,930,108.73
  5. Step 5: Solve for x
    x = 127,958,930,108.73/401,028.95
  6. Step 6: Final answer
    x = 319,076.54

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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.