Home / 619,361.44-928,819.04-214,443.68

Finding the Fourth Proportional to 619,361.44, 928,819.04 and 214,443.68

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Solution

The fourth proportional to 619,361.44, 928,819.04 and 214,443.68 is: 321,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,361.44 : 928,819.04 = 214,443.68 : x
  2. Step 2: Convert to fraction form
    619,361.44/928,819.04 = 214,443.68/x
  3. Step 3: Cross multiply
    619,361.44x = 928,819.04 × 214,443.68
  4. Step 4: Simplify right side
    619,361.44x = 199,179,372,991.67
  5. Step 5: Solve for x
    x = 199,179,372,991.67/619,361.44
  6. Step 6: Final answer
    x = 321,588.27

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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.