Home / 1,181,031.72-1,768,884.12-548,614.68

Finding the Fourth Proportional to 1,181,031.72, 1,768,884.12 and 548,614.68

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Solution

The fourth proportional to 1,181,031.72, 1,768,884.12 and 548,614.68 is: 821,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,031.72 : 1,768,884.12 = 548,614.68 : x
  2. Step 2: Convert to fraction form
    1,181,031.72/1,768,884.12 = 548,614.68/x
  3. Step 3: Cross multiply
    1,181,031.72x = 1,768,884.12 × 548,614.68
  4. Step 4: Simplify right side
    1,181,031.72x = 970,435,795,450.88
  5. Step 5: Solve for x
    x = 970,435,795,450.88/1,181,031.72
  6. Step 6: Final answer
    x = 821,684.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.