Home / 905,757.12-1,250,231.76-619,172.64

Finding the Fourth Proportional to 905,757.12, 1,250,231.76 and 619,172.64

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Solution

The fourth proportional to 905,757.12, 1,250,231.76 and 619,172.64 is: 854,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,757.12 : 1,250,231.76 = 619,172.64 : x
  2. Step 2: Convert to fraction form
    905,757.12/1,250,231.76 = 619,172.64/x
  3. Step 3: Cross multiply
    905,757.12x = 1,250,231.76 × 619,172.64
  4. Step 4: Simplify right side
    905,757.12x = 774,109,299,451.05
  5. Step 5: Solve for x
    x = 774,109,299,451.05/905,757.12
  6. Step 6: Final answer
    x = 854,654.39

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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.