Home / 382,622.20-573,933.30-214,660.60

Finding the Fourth Proportional to 382,622.20, 573,933.30 and 214,660.60

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Solution

The fourth proportional to 382,622.20, 573,933.30 and 214,660.60 is: 321,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,622.20 : 573,933.30 = 214,660.60 : x
  2. Step 2: Convert to fraction form
    382,622.20/573,933.30 = 214,660.60/x
  3. Step 3: Cross multiply
    382,622.20x = 573,933.30 × 214,660.60
  4. Step 4: Simplify right side
    382,622.20x = 123,200,866,537.98
  5. Step 5: Solve for x
    x = 123,200,866,537.98/382,622.20
  6. Step 6: Final answer
    x = 321,990.90

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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.