Home / 1,227,662.36-1,694,220.06-676,400.72

Finding the Fourth Proportional to 1,227,662.36, 1,694,220.06 and 676,400.72

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Solution

The fourth proportional to 1,227,662.36, 1,694,220.06 and 676,400.72 is: 933,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,662.36 : 1,694,220.06 = 676,400.72 : x
  2. Step 2: Convert to fraction form
    1,227,662.36/1,694,220.06 = 676,400.72/x
  3. Step 3: Cross multiply
    1,227,662.36x = 1,694,220.06 × 676,400.72
  4. Step 4: Simplify right side
    1,227,662.36x = 1,145,971,668,422.44
  5. Step 5: Solve for x
    x = 1,145,971,668,422.44/1,227,662.36
  6. Step 6: Final answer
    x = 933,458.34

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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.