Home / 619,359.44-928,816.04-214,441.68

Finding the Fourth Proportional to 619,359.44, 928,816.04 and 214,441.68

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Solution

The fourth proportional to 619,359.44, 928,816.04 and 214,441.68 is: 321,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,359.44 : 928,816.04 = 214,441.68 : x
  2. Step 2: Convert to fraction form
    619,359.44/928,816.04 = 214,441.68/x
  3. Step 3: Cross multiply
    619,359.44x = 928,816.04 × 214,441.68
  4. Step 4: Simplify right side
    619,359.44x = 199,176,872,028.55
  5. Step 5: Solve for x
    x = 199,176,872,028.55/619,359.44
  6. Step 6: Final answer
    x = 321,585.27

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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.