Home / 449,198-619,822.77-258,175.70

Finding the Fourth Proportional to 449,198, 619,822.77 and 258,175.70

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Solution

The fourth proportional to 449,198, 619,822.77 and 258,175.70 is: 356,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,198 : 619,822.77 = 258,175.70 : x
  2. Step 2: Convert to fraction form
    449,198/619,822.77 = 258,175.70/x
  3. Step 3: Cross multiply
    449,198x = 619,822.77 × 258,175.70
  4. Step 4: Simplify right side
    449,198x = 160,023,177,520.69
  5. Step 5: Solve for x
    x = 160,023,177,520.69/449,198
  6. Step 6: Final answer
    x = 356,241.96

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1.5x scale

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.