Home / 856,942.44-1,181,764.80-512,723.22

Finding the Fourth Proportional to 856,942.44, 1,181,764.80 and 512,723.22

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Solution

The fourth proportional to 856,942.44, 1,181,764.80 and 512,723.22 is: 707,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,942.44 : 1,181,764.80 = 512,723.22 : x
  2. Step 2: Convert to fraction form
    856,942.44/1,181,764.80 = 512,723.22/x
  3. Step 3: Cross multiply
    856,942.44x = 1,181,764.80 × 512,723.22
  4. Step 4: Simplify right side
    856,942.44x = 605,918,253,538.66
  5. Step 5: Solve for x
    x = 605,918,253,538.66/856,942.44
  6. Step 6: Final answer
    x = 707,069.96

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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.