Home / 1,079,449.29-1,489,015.56-697,476.06

Finding the Fourth Proportional to 1,079,449.29, 1,489,015.56 and 697,476.06

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Solution

The fourth proportional to 1,079,449.29, 1,489,015.56 and 697,476.06 is: 962,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,449.29 : 1,489,015.56 = 697,476.06 : x
  2. Step 2: Convert to fraction form
    1,079,449.29/1,489,015.56 = 697,476.06/x
  3. Step 3: Cross multiply
    1,079,449.29x = 1,489,015.56 × 697,476.06
  4. Step 4: Simplify right side
    1,079,449.29x = 1,038,552,706,067.49
  5. Step 5: Solve for x
    x = 1,038,552,706,067.49/1,079,449.29
  6. Step 6: Final answer
    x = 962,113.47

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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.