Home / 447,418.11-671,128.56-110,458.80

Finding the Fourth Proportional to 447,418.11, 671,128.56 and 110,458.80

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Solution

The fourth proportional to 447,418.11, 671,128.56 and 110,458.80 is: 165,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,418.11 : 671,128.56 = 110,458.80 : x
  2. Step 2: Convert to fraction form
    447,418.11/671,128.56 = 110,458.80/x
  3. Step 3: Cross multiply
    447,418.11x = 671,128.56 × 110,458.80
  4. Step 4: Simplify right side
    447,418.11x = 74,132,055,383.33
  5. Step 5: Solve for x
    x = 74,132,055,383.33/447,418.11
  6. Step 6: Final answer
    x = 165,688.54

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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.