Home / 1,227,969.12-1,694,598.44-684,106.28

Finding the Fourth Proportional to 1,227,969.12, 1,694,598.44 and 684,106.28

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Solution

The fourth proportional to 1,227,969.12, 1,694,598.44 and 684,106.28 is: 944,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,969.12 : 1,694,598.44 = 684,106.28 : x
  2. Step 2: Convert to fraction form
    1,227,969.12/1,694,598.44 = 684,106.28/x
  3. Step 3: Cross multiply
    1,227,969.12x = 1,694,598.44 × 684,106.28
  4. Step 4: Simplify right side
    1,227,969.12x = 1,159,285,434,882.20
  5. Step 5: Solve for x
    x = 1,159,285,434,882.20/1,227,969.12
  6. Step 6: Final answer
    x = 944,067.25

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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.