Home / 529,236.12-793,983.78-263,121.96

Finding the Fourth Proportional to 529,236.12, 793,983.78 and 263,121.96

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Solution

The fourth proportional to 529,236.12, 793,983.78 and 263,121.96 is: 394,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,236.12 : 793,983.78 = 263,121.96 : x
  2. Step 2: Convert to fraction form
    529,236.12/793,983.78 = 263,121.96/x
  3. Step 3: Cross multiply
    529,236.12x = 793,983.78 × 263,121.96
  4. Step 4: Simplify right side
    529,236.12x = 208,914,568,401.81
  5. Step 5: Solve for x
    x = 208,914,568,401.81/529,236.12
  6. Step 6: Final answer
    x = 394,747.37

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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.