Home / 487,077.44-672,170.82-272,226.56

Finding the Fourth Proportional to 487,077.44, 672,170.82 and 272,226.56

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Solution

The fourth proportional to 487,077.44, 672,170.82 and 272,226.56 is: 375,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,077.44 : 672,170.82 = 272,226.56 : x
  2. Step 2: Convert to fraction form
    487,077.44/672,170.82 = 272,226.56/x
  3. Step 3: Cross multiply
    487,077.44x = 672,170.82 × 272,226.56
  4. Step 4: Simplify right side
    487,077.44x = 182,982,750,060.98
  5. Step 5: Solve for x
    x = 182,982,750,060.98/487,077.44
  6. Step 6: Final answer
    x = 375,674.86

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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.