Home / 619,243.20-928,994.40-198,561.60

Finding the Fourth Proportional to 619,243.20, 928,994.40 and 198,561.60

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Solution

The fourth proportional to 619,243.20, 928,994.40 and 198,561.60 is: 297,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,243.20 : 928,994.40 = 198,561.60 : x
  2. Step 2: Convert to fraction form
    619,243.20/928,994.40 = 198,561.60/x
  3. Step 3: Cross multiply
    619,243.20x = 928,994.40 × 198,561.60
  4. Step 4: Simplify right side
    619,243.20x = 184,462,614,455.04
  5. Step 5: Solve for x
    x = 184,462,614,455.04/619,243.20
  6. Step 6: Final answer
    x = 297,883.96

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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.