Home / 578,778.80-868,396.76-179,450.96

Finding the Fourth Proportional to 578,778.80, 868,396.76 and 179,450.96

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Solution

The fourth proportional to 578,778.80, 868,396.76 and 179,450.96 is: 269,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,778.80 : 868,396.76 = 179,450.96 : x
  2. Step 2: Convert to fraction form
    578,778.80/868,396.76 = 179,450.96/x
  3. Step 3: Cross multiply
    578,778.80x = 868,396.76 × 179,450.96
  4. Step 4: Simplify right side
    578,778.80x = 155,834,632,242.89
  5. Step 5: Solve for x
    x = 155,834,632,242.89/578,778.80
  6. Step 6: Final answer
    x = 269,247.31

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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.