Home / 394,997.88-592,558.38-170,421.60

Finding the Fourth Proportional to 394,997.88, 592,558.38 and 170,421.60

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Solution

The fourth proportional to 394,997.88, 592,558.38 and 170,421.60 is: 255,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,997.88 : 592,558.38 = 170,421.60 : x
  2. Step 2: Convert to fraction form
    394,997.88/592,558.38 = 170,421.60/x
  3. Step 3: Cross multiply
    394,997.88x = 592,558.38 × 170,421.60
  4. Step 4: Simplify right side
    394,997.88x = 100,984,747,213.01
  5. Step 5: Solve for x
    x = 100,984,747,213.01/394,997.88
  6. Step 6: Final answer
    x = 255,658.96

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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.