Home / 1,138,761.84-1,571,436.99-622,542.36

Finding the Fourth Proportional to 1,138,761.84, 1,571,436.99 and 622,542.36

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Solution

The fourth proportional to 1,138,761.84, 1,571,436.99 and 622,542.36 is: 859,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,761.84 : 1,571,436.99 = 622,542.36 : x
  2. Step 2: Convert to fraction form
    1,138,761.84/1,571,436.99 = 622,542.36/x
  3. Step 3: Cross multiply
    1,138,761.84x = 1,571,436.99 × 622,542.36
  4. Step 4: Simplify right side
    1,138,761.84x = 978,286,092,345.90
  5. Step 5: Solve for x
    x = 978,286,092,345.90/1,138,761.84
  6. Step 6: Final answer
    x = 859,078.74

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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.