Home / 665,890.44-998,864.82-192,623.64

Finding the Fourth Proportional to 665,890.44, 998,864.82 and 192,623.64

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Solution

The fourth proportional to 665,890.44, 998,864.82 and 192,623.64 is: 288,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,890.44 : 998,864.82 = 192,623.64 : x
  2. Step 2: Convert to fraction form
    665,890.44/998,864.82 = 192,623.64/x
  3. Step 3: Cross multiply
    665,890.44x = 998,864.82 × 192,623.64
  4. Step 4: Simplify right side
    665,890.44x = 192,404,977,496.35
  5. Step 5: Solve for x
    x = 192,404,977,496.35/665,890.44
  6. Step 6: Final answer
    x = 288,943.90

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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.