Home / 1,278,716.75-1,764,620.62-705,756.92

Finding the Fourth Proportional to 1,278,716.75, 1,764,620.62 and 705,756.92

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Solution

The fourth proportional to 1,278,716.75, 1,764,620.62 and 705,756.92 is: 973,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,716.75 : 1,764,620.62 = 705,756.92 : x
  2. Step 2: Convert to fraction form
    1,278,716.75/1,764,620.62 = 705,756.92/x
  3. Step 3: Cross multiply
    1,278,716.75x = 1,764,620.62 × 705,756.92
  4. Step 4: Simplify right side
    1,278,716.75x = 1,245,393,213,739.69
  5. Step 5: Solve for x
    x = 1,245,393,213,739.69/1,278,716.75
  6. Step 6: Final answer
    x = 973,939.86

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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.