Home / 454,967.20-682,450.80-122,543.20

Finding the Fourth Proportional to 454,967.20, 682,450.80 and 122,543.20

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Solution

The fourth proportional to 454,967.20, 682,450.80 and 122,543.20 is: 183,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,967.20 : 682,450.80 = 122,543.20 : x
  2. Step 2: Convert to fraction form
    454,967.20/682,450.80 = 122,543.20/x
  3. Step 3: Cross multiply
    454,967.20x = 682,450.80 × 122,543.20
  4. Step 4: Simplify right side
    454,967.20x = 83,629,704,874.56
  5. Step 5: Solve for x
    x = 83,629,704,874.56/454,967.20
  6. Step 6: Final answer
    x = 183,814.80

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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.