Home / 728,610.30-1,092,899.03-196,137.81

Finding the Fourth Proportional to 728,610.30, 1,092,899.03 and 196,137.81

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Solution

The fourth proportional to 728,610.30, 1,092,899.03 and 196,137.81 is: 294,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,610.30 : 1,092,899.03 = 196,137.81 : x
  2. Step 2: Convert to fraction form
    728,610.30/1,092,899.03 = 196,137.81/x
  3. Step 3: Cross multiply
    728,610.30x = 1,092,899.03 × 196,137.81
  4. Step 4: Simplify right side
    728,610.30x = 214,358,821,314.64
  5. Step 5: Solve for x
    x = 214,358,821,314.64/728,610.30
  6. Step 6: Final answer
    x = 294,202.29

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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.