Home / 1,243,639.44-1,716,431.31-720,273.33

Finding the Fourth Proportional to 1,243,639.44, 1,716,431.31 and 720,273.33

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Solution

The fourth proportional to 1,243,639.44, 1,716,431.31 and 720,273.33 is: 994,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,639.44 : 1,716,431.31 = 720,273.33 : x
  2. Step 2: Convert to fraction form
    1,243,639.44/1,716,431.31 = 720,273.33/x
  3. Step 3: Cross multiply
    1,243,639.44x = 1,716,431.31 × 720,273.33
  4. Step 4: Simplify right side
    1,243,639.44x = 1,236,299,695,369.96
  5. Step 5: Solve for x
    x = 1,236,299,695,369.96/1,243,639.44
  6. Step 6: Final answer
    x = 994,098.17

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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.