Home / 1,138,906.74-1,571,698.44-622,661.82

Finding the Fourth Proportional to 1,138,906.74, 1,571,698.44 and 622,661.82

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Solution

The fourth proportional to 1,138,906.74, 1,571,698.44 and 622,661.82 is: 859,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,906.74 : 1,571,698.44 = 622,661.82 : x
  2. Step 2: Convert to fraction form
    1,138,906.74/1,571,698.44 = 622,661.82/x
  3. Step 3: Cross multiply
    1,138,906.74x = 1,571,698.44 × 622,661.82
  4. Step 4: Simplify right side
    1,138,906.74x = 978,636,611,141.56
  5. Step 5: Solve for x
    x = 978,636,611,141.56/1,138,906.74
  6. Step 6: Final answer
    x = 859,277.21

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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.