Home / 619,214.31-928,817.82-198,488.97

Finding the Fourth Proportional to 619,214.31, 928,817.82 and 198,488.97

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Solution

The fourth proportional to 619,214.31, 928,817.82 and 198,488.97 is: 297,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,214.31 : 928,817.82 = 198,488.97 : x
  2. Step 2: Convert to fraction form
    619,214.31/928,817.82 = 198,488.97/x
  3. Step 3: Cross multiply
    619,214.31x = 928,817.82 × 198,488.97
  4. Step 4: Simplify right side
    619,214.31x = 184,360,092,409.45
  5. Step 5: Solve for x
    x = 184,360,092,409.45/619,214.31
  6. Step 6: Final answer
    x = 297,732.29

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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.