Home / 672,234.58-1,008,349.13-272,871.98

Finding the Fourth Proportional to 672,234.58, 1,008,349.13 and 272,871.98

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Solution

The fourth proportional to 672,234.58, 1,008,349.13 and 272,871.98 is: 409,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,234.58 : 1,008,349.13 = 272,871.98 : x
  2. Step 2: Convert to fraction form
    672,234.58/1,008,349.13 = 272,871.98/x
  3. Step 3: Cross multiply
    672,234.58x = 1,008,349.13 × 272,871.98
  4. Step 4: Simplify right side
    672,234.58x = 275,150,217,228.27
  5. Step 5: Solve for x
    x = 275,150,217,228.27/672,234.58
  6. Step 6: Final answer
    x = 409,306.85

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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.