Home / 405,912.24-608,855.76-192,833.48

Finding the Fourth Proportional to 405,912.24, 608,855.76 and 192,833.48

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Solution

The fourth proportional to 405,912.24, 608,855.76 and 192,833.48 is: 289,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,912.24 : 608,855.76 = 192,833.48 : x
  2. Step 2: Convert to fraction form
    405,912.24/608,855.76 = 192,833.48/x
  3. Step 3: Cross multiply
    405,912.24x = 608,855.76 × 192,833.48
  4. Step 4: Simplify right side
    405,912.24x = 117,407,776,540.98
  5. Step 5: Solve for x
    x = 117,407,776,540.98/405,912.24
  6. Step 6: Final answer
    x = 289,244.24

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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.