Home / 1,040,143.60-1,561,381.80-804,530.80

Finding the Fourth Proportional to 1,040,143.60, 1,561,381.80 and 804,530.80

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Solution

The fourth proportional to 1,040,143.60, 1,561,381.80 and 804,530.80 is: 1,207,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,143.60 : 1,561,381.80 = 804,530.80 : x
  2. Step 2: Convert to fraction form
    1,040,143.60/1,561,381.80 = 804,530.80/x
  3. Step 3: Cross multiply
    1,040,143.60x = 1,561,381.80 × 804,530.80
  4. Step 4: Simplify right side
    1,040,143.60x = 1,256,179,748,659.44
  5. Step 5: Solve for x
    x = 1,256,179,748,659.44/1,040,143.60
  6. Step 6: Final answer
    x = 1,207,698.39

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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.