Home / 1,073,216.80-1,479,558.96-856,161.88

Finding the Fourth Proportional to 1,073,216.80, 1,479,558.96 and 856,161.88

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Solution

The fourth proportional to 1,073,216.80, 1,479,558.96 and 856,161.88 is: 1,180,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,216.80 : 1,479,558.96 = 856,161.88 : x
  2. Step 2: Convert to fraction form
    1,073,216.80/1,479,558.96 = 856,161.88/x
  3. Step 3: Cross multiply
    1,073,216.80x = 1,479,558.96 × 856,161.88
  4. Step 4: Simplify right side
    1,073,216.80x = 1,266,741,980,764.44
  5. Step 5: Solve for x
    x = 1,266,741,980,764.44/1,073,216.80
  6. Step 6: Final answer
    x = 1,180,322.54

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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.