Home / 467,011.26-644,491.35-276,188.22

Finding the Fourth Proportional to 467,011.26, 644,491.35 and 276,188.22

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Solution

The fourth proportional to 467,011.26, 644,491.35 and 276,188.22 is: 381,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,011.26 : 644,491.35 = 276,188.22 : x
  2. Step 2: Convert to fraction form
    467,011.26/644,491.35 = 276,188.22/x
  3. Step 3: Cross multiply
    467,011.26x = 644,491.35 × 276,188.22
  4. Step 4: Simplify right side
    467,011.26x = 178,000,918,761.90
  5. Step 5: Solve for x
    x = 178,000,918,761.90/467,011.26
  6. Step 6: Final answer
    x = 381,149.09

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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.