Home / 1,138,968.84-1,571,791.91-622,723.33

Finding the Fourth Proportional to 1,138,968.84, 1,571,791.91 and 622,723.33

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Solution

The fourth proportional to 1,138,968.84, 1,571,791.91 and 622,723.33 is: 859,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,968.84 : 1,571,791.91 = 622,723.33 : x
  2. Step 2: Convert to fraction form
    1,138,968.84/1,571,791.91 = 622,723.33/x
  3. Step 3: Cross multiply
    1,138,968.84x = 1,571,791.91 × 622,723.33
  4. Step 4: Simplify right side
    1,138,968.84x = 978,791,492,761.78
  5. Step 5: Solve for x
    x = 978,791,492,761.78/1,138,968.84
  6. Step 6: Final answer
    x = 859,366.35

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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.