Home / 1,412,623.53-2,105,627.94-1,299,249.45

Finding the Fourth Proportional to 1,412,623.53, 2,105,627.94 and 1,299,249.45

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Solution

The fourth proportional to 1,412,623.53, 2,105,627.94 and 1,299,249.45 is: 1,936,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,623.53 : 2,105,627.94 = 1,299,249.45 : x
  2. Step 2: Convert to fraction form
    1,412,623.53/2,105,627.94 = 1,299,249.45/x
  3. Step 3: Cross multiply
    1,412,623.53x = 2,105,627.94 × 1,299,249.45
  4. Step 4: Simplify right side
    1,412,623.53x = 2,735,735,942,949.63
  5. Step 5: Solve for x
    x = 2,735,735,942,949.63/1,412,623.53
  6. Step 6: Final answer
    x = 1,936,634.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.