Home / 1,191,997.67-1,644,977.30-648,137.12

Finding the Fourth Proportional to 1,191,997.67, 1,644,977.30 and 648,137.12

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Solution

The fourth proportional to 1,191,997.67, 1,644,977.30 and 648,137.12 is: 894,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,997.67 : 1,644,977.30 = 648,137.12 : x
  2. Step 2: Convert to fraction form
    1,191,997.67/1,644,977.30 = 648,137.12/x
  3. Step 3: Cross multiply
    1,191,997.67x = 1,644,977.30 × 648,137.12
  4. Step 4: Simplify right side
    1,191,997.67x = 1,066,170,838,221.80
  5. Step 5: Solve for x
    x = 1,066,170,838,221.80/1,191,997.67
  6. Step 6: Final answer
    x = 894,440.37

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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.