Home / 1,419,505.38-1,958,915.53-910,206.54

Finding the Fourth Proportional to 1,419,505.38, 1,958,915.53 and 910,206.54

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Solution

The fourth proportional to 1,419,505.38, 1,958,915.53 and 910,206.54 is: 1,256,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,505.38 : 1,958,915.53 = 910,206.54 : x
  2. Step 2: Convert to fraction form
    1,419,505.38/1,958,915.53 = 910,206.54/x
  3. Step 3: Cross multiply
    1,419,505.38x = 1,958,915.53 × 910,206.54
  4. Step 4: Simplify right side
    1,419,505.38x = 1,783,017,726,713.57
  5. Step 5: Solve for x
    x = 1,783,017,726,713.57/1,419,505.38
  6. Step 6: Final answer
    x = 1,256,083.81

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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.