Home / 1,229,363.45-1,696,745.63-713,447.45

Finding the Fourth Proportional to 1,229,363.45, 1,696,745.63 and 713,447.45

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Solution

The fourth proportional to 1,229,363.45, 1,696,745.63 and 713,447.45 is: 984,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,363.45 : 1,696,745.63 = 713,447.45 : x
  2. Step 2: Convert to fraction form
    1,229,363.45/1,696,745.63 = 713,447.45/x
  3. Step 3: Cross multiply
    1,229,363.45x = 1,696,745.63 × 713,447.45
  4. Step 4: Simplify right side
    1,229,363.45x = 1,210,538,843,022.14
  5. Step 5: Solve for x
    x = 1,210,538,843,022.14/1,229,363.45
  6. Step 6: Final answer
    x = 984,687.52

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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.