Home / 665,780.04-998,677.35-192,469.50

Finding the Fourth Proportional to 665,780.04, 998,677.35 and 192,469.50

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Solution

The fourth proportional to 665,780.04, 998,677.35 and 192,469.50 is: 288,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,780.04 : 998,677.35 = 192,469.50 : x
  2. Step 2: Convert to fraction form
    665,780.04/998,677.35 = 192,469.50/x
  3. Step 3: Cross multiply
    665,780.04x = 998,677.35 × 192,469.50
  4. Step 4: Simplify right side
    665,780.04x = 192,214,930,215.83
  5. Step 5: Solve for x
    x = 192,214,930,215.83/665,780.04
  6. Step 6: Final answer
    x = 288,706.36

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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.