Home / 450,183.20-621,306.42-259,233.80

Finding the Fourth Proportional to 450,183.20, 621,306.42 and 259,233.80

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Solution

The fourth proportional to 450,183.20, 621,306.42 and 259,233.80 is: 357,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,183.20 : 621,306.42 = 259,233.80 : x
  2. Step 2: Convert to fraction form
    450,183.20/621,306.42 = 259,233.80/x
  3. Step 3: Cross multiply
    450,183.20x = 621,306.42 × 259,233.80
  4. Step 4: Simplify right side
    450,183.20x = 161,063,624,221.00
  5. Step 5: Solve for x
    x = 161,063,624,221.00/450,183.20
  6. Step 6: Final answer
    x = 357,773.51

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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.