Home / 409,327.11-613,311.88-248,917.81

Finding the Fourth Proportional to 409,327.11, 613,311.88 and 248,917.81

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Solution

The fourth proportional to 409,327.11, 613,311.88 and 248,917.81 is: 372,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,327.11 : 613,311.88 = 248,917.81 : x
  2. Step 2: Convert to fraction form
    409,327.11/613,311.88 = 248,917.81/x
  3. Step 3: Cross multiply
    409,327.11x = 613,311.88 × 248,917.81
  4. Step 4: Simplify right side
    409,327.11x = 152,664,250,016.58
  5. Step 5: Solve for x
    x = 152,664,250,016.58/409,327.11
  6. Step 6: Final answer
    x = 372,963.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.