Home / 876,100.11-1,313,658.09-277,212.03

Finding the Fourth Proportional to 876,100.11, 1,313,658.09 and 277,212.03

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Solution

The fourth proportional to 876,100.11, 1,313,658.09 and 277,212.03 is: 415,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,100.11 : 1,313,658.09 = 277,212.03 : x
  2. Step 2: Convert to fraction form
    876,100.11/1,313,658.09 = 277,212.03/x
  3. Step 3: Cross multiply
    876,100.11x = 1,313,658.09 × 277,212.03
  4. Step 4: Simplify right side
    876,100.11x = 364,161,825,854.82
  5. Step 5: Solve for x
    x = 364,161,825,854.82/876,100.11
  6. Step 6: Final answer
    x = 415,662.34

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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.