Home / 457,609.40-631,524.20-263,945.08

Finding the Fourth Proportional to 457,609.40, 631,524.20 and 263,945.08

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Solution

The fourth proportional to 457,609.40, 631,524.20 and 263,945.08 is: 364,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,609.40 : 631,524.20 = 263,945.08 : x
  2. Step 2: Convert to fraction form
    457,609.40/631,524.20 = 263,945.08/x
  3. Step 3: Cross multiply
    457,609.40x = 631,524.20 × 263,945.08
  4. Step 4: Simplify right side
    457,609.40x = 166,687,704,960.62
  5. Step 5: Solve for x
    x = 166,687,704,960.62/457,609.40
  6. Step 6: Final answer
    x = 364,257.61

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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.