Home / 1,138,906.56-1,571,733-622,694.82

Finding the Fourth Proportional to 1,138,906.56, 1,571,733 and 622,694.82

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Solution

The fourth proportional to 1,138,906.56, 1,571,733 and 622,694.82 is: 859,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,906.56 : 1,571,733 = 622,694.82 : x
  2. Step 2: Convert to fraction form
    1,138,906.56/1,571,733 = 622,694.82/x
  3. Step 3: Cross multiply
    1,138,906.56x = 1,571,733 × 622,694.82
  4. Step 4: Simplify right side
    1,138,906.56x = 978,709,997,523.06
  5. Step 5: Solve for x
    x = 978,709,997,523.06/1,138,906.56
  6. Step 6: Final answer
    x = 859,341.79

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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.