Home / 1,040,192.60-1,561,455.30-804,579.80

Finding the Fourth Proportional to 1,040,192.60, 1,561,455.30 and 804,579.80

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Solution

The fourth proportional to 1,040,192.60, 1,561,455.30 and 804,579.80 is: 1,207,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,192.60 : 1,561,455.30 = 804,579.80 : x
  2. Step 2: Convert to fraction form
    1,040,192.60/1,561,455.30 = 804,579.80/x
  3. Step 3: Cross multiply
    1,040,192.60x = 1,561,455.30 × 804,579.80
  4. Step 4: Simplify right side
    1,040,192.60x = 1,256,315,392,982.94
  5. Step 5: Solve for x
    x = 1,256,315,392,982.94/1,040,192.60
  6. Step 6: Final answer
    x = 1,207,771.90

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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.