Home / 1,059,879.43-1,589,820.03-261,161.07

Finding the Fourth Proportional to 1,059,879.43, 1,589,820.03 and 261,161.07

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Solution

The fourth proportional to 1,059,879.43, 1,589,820.03 and 261,161.07 is: 391,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,879.43 : 1,589,820.03 = 261,161.07 : x
  2. Step 2: Convert to fraction form
    1,059,879.43/1,589,820.03 = 261,161.07/x
  3. Step 3: Cross multiply
    1,059,879.43x = 1,589,820.03 × 261,161.07
  4. Step 4: Simplify right side
    1,059,879.43x = 415,199,100,142.23
  5. Step 5: Solve for x
    x = 415,199,100,142.23/1,059,879.43
  6. Step 6: Final answer
    x = 391,741.82

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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.