Home / 619,244.70-928,930.82-214,436.13

Finding the Fourth Proportional to 619,244.70, 928,930.82 and 214,436.13

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Solution

The fourth proportional to 619,244.70, 928,930.82 and 214,436.13 is: 321,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,244.70 : 928,930.82 = 214,436.13 : x
  2. Step 2: Convert to fraction form
    619,244.70/928,930.82 = 214,436.13/x
  3. Step 3: Cross multiply
    619,244.70x = 928,930.82 × 214,436.13
  4. Step 4: Simplify right side
    619,244.70x = 199,196,330,422.09
  5. Step 5: Solve for x
    x = 199,196,330,422.09/619,244.70
  6. Step 6: Final answer
    x = 321,676.28

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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.