Home / 1,227,914.24-1,694,496.12-684,049.28

Finding the Fourth Proportional to 1,227,914.24, 1,694,496.12 and 684,049.28

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Solution

The fourth proportional to 1,227,914.24, 1,694,496.12 and 684,049.28 is: 943,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,914.24 : 1,694,496.12 = 684,049.28 : x
  2. Step 2: Convert to fraction form
    1,227,914.24/1,694,496.12 = 684,049.28/x
  3. Step 3: Cross multiply
    1,227,914.24x = 1,694,496.12 × 684,049.28
  4. Step 4: Simplify right side
    1,227,914.24x = 1,159,118,850,848.79
  5. Step 5: Solve for x
    x = 1,159,118,850,848.79/1,227,914.24
  6. Step 6: Final answer
    x = 943,973.78

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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.