Home / 543,945.15-815,226.53-262,857.15

Finding the Fourth Proportional to 543,945.15, 815,226.53 and 262,857.15

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Solution

The fourth proportional to 543,945.15, 815,226.53 and 262,857.15 is: 393,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,945.15 : 815,226.53 = 262,857.15 : x
  2. Step 2: Convert to fraction form
    543,945.15/815,226.53 = 262,857.15/x
  3. Step 3: Cross multiply
    543,945.15x = 815,226.53 × 262,857.15
  4. Step 4: Simplify right side
    543,945.15x = 214,288,120,965.90
  5. Step 5: Solve for x
    x = 214,288,120,965.90/543,945.15
  6. Step 6: Final answer
    x = 393,951.71

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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.