Home / 793,738.58-1,190,771.90-261,291.56

Finding the Fourth Proportional to 793,738.58, 1,190,771.90 and 261,291.56

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Solution

The fourth proportional to 793,738.58, 1,190,771.90 and 261,291.56 is: 391,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,738.58 : 1,190,771.90 = 261,291.56 : x
  2. Step 2: Convert to fraction form
    793,738.58/1,190,771.90 = 261,291.56/x
  3. Step 3: Cross multiply
    793,738.58x = 1,190,771.90 × 261,291.56
  4. Step 4: Simplify right side
    793,738.58x = 311,138,647,355.16
  5. Step 5: Solve for x
    x = 311,138,647,355.16/793,738.58
  6. Step 6: Final answer
    x = 391,991.34

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1.5x scale

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.