Home / 793,981.62-1,190,847.36-659,906.55

Finding the Fourth Proportional to 793,981.62, 1,190,847.36 and 659,906.55

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Solution

The fourth proportional to 793,981.62, 1,190,847.36 and 659,906.55 is: 989,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,981.62 : 1,190,847.36 = 659,906.55 : x
  2. Step 2: Convert to fraction form
    793,981.62/1,190,847.36 = 659,906.55/x
  3. Step 3: Cross multiply
    793,981.62x = 1,190,847.36 × 659,906.55
  4. Step 4: Simplify right side
    793,981.62x = 785,847,972,914.21
  5. Step 5: Solve for x
    x = 785,847,972,914.21/793,981.62
  6. Step 6: Final answer
    x = 989,755.87

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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.