Home / 496,982.40-744,015.60-445,680.24

Finding the Fourth Proportional to 496,982.40, 744,015.60 and 445,680.24

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Solution

The fourth proportional to 496,982.40, 744,015.60 and 445,680.24 is: 667,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,982.40 : 744,015.60 = 445,680.24 : x
  2. Step 2: Convert to fraction form
    496,982.40/744,015.60 = 445,680.24/x
  3. Step 3: Cross multiply
    496,982.40x = 744,015.60 × 445,680.24
  4. Step 4: Simplify right side
    496,982.40x = 331,593,051,171.74
  5. Step 5: Solve for x
    x = 331,593,051,171.74/496,982.40
  6. Step 6: Final answer
    x = 667,212.87

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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.