Home / 1,246,173.54-1,720,293.57-729,855.78

Finding the Fourth Proportional to 1,246,173.54, 1,720,293.57 and 729,855.78

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Solution

The fourth proportional to 1,246,173.54, 1,720,293.57 and 729,855.78 is: 1,007,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,173.54 : 1,720,293.57 = 729,855.78 : x
  2. Step 2: Convert to fraction form
    1,246,173.54/1,720,293.57 = 729,855.78/x
  3. Step 3: Cross multiply
    1,246,173.54x = 1,720,293.57 × 729,855.78
  4. Step 4: Simplify right side
    1,246,173.54x = 1,255,566,205,361.33
  5. Step 5: Solve for x
    x = 1,255,566,205,361.33/1,246,173.54
  6. Step 6: Final answer
    x = 1,007,537.20

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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.