Home / 1,269,072.42-1,751,077.62-725,380.59

Finding the Fourth Proportional to 1,269,072.42, 1,751,077.62 and 725,380.59

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Solution

The fourth proportional to 1,269,072.42, 1,751,077.62 and 725,380.59 is: 1,000,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,072.42 : 1,751,077.62 = 725,380.59 : x
  2. Step 2: Convert to fraction form
    1,269,072.42/1,751,077.62 = 725,380.59/x
  3. Step 3: Cross multiply
    1,269,072.42x = 1,751,077.62 × 725,380.59
  4. Step 4: Simplify right side
    1,269,072.42x = 1,270,197,717,131.40
  5. Step 5: Solve for x
    x = 1,270,197,717,131.40/1,269,072.42
  6. Step 6: Final answer
    x = 1,000,886.71

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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.