Home / 479,917.92-662,259.46-275,936.43

Finding the Fourth Proportional to 479,917.92, 662,259.46 and 275,936.43

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Solution

The fourth proportional to 479,917.92, 662,259.46 and 275,936.43 is: 380,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,917.92 : 662,259.46 = 275,936.43 : x
  2. Step 2: Convert to fraction form
    479,917.92/662,259.46 = 275,936.43/x
  3. Step 3: Cross multiply
    479,917.92x = 662,259.46 × 275,936.43
  4. Step 4: Simplify right side
    479,917.92x = 182,741,511,126.13
  5. Step 5: Solve for x
    x = 182,741,511,126.13/479,917.92
  6. Step 6: Final answer
    x = 380,776.59

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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.