Home / 1,279,977.44-1,766,350.91-699,193.67

Finding the Fourth Proportional to 1,279,977.44, 1,766,350.91 and 699,193.67

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Solution

The fourth proportional to 1,279,977.44, 1,766,350.91 and 699,193.67 is: 964,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,977.44 : 1,766,350.91 = 699,193.67 : x
  2. Step 2: Convert to fraction form
    1,279,977.44/1,766,350.91 = 699,193.67/x
  3. Step 3: Cross multiply
    1,279,977.44x = 1,766,350.91 × 699,193.67
  4. Step 4: Simplify right side
    1,279,977.44x = 1,235,021,375,270.74
  5. Step 5: Solve for x
    x = 1,235,021,375,270.74/1,279,977.44
  6. Step 6: Final answer
    x = 964,877.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.