Home / 376,822.73-520,015.25-207,067.79

Finding the Fourth Proportional to 376,822.73, 520,015.25 and 207,067.79

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Solution

The fourth proportional to 376,822.73, 520,015.25 and 207,067.79 is: 285,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,822.73 : 520,015.25 = 207,067.79 : x
  2. Step 2: Convert to fraction form
    376,822.73/520,015.25 = 207,067.79/x
  3. Step 3: Cross multiply
    376,822.73x = 520,015.25 × 207,067.79
  4. Step 4: Simplify right side
    376,822.73x = 107,678,407,286.69
  5. Step 5: Solve for x
    x = 107,678,407,286.69/376,822.73
  6. Step 6: Final answer
    x = 285,753.48

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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.