Home / 1,419,503.38-1,958,912.78-910,204.54

Finding the Fourth Proportional to 1,419,503.38, 1,958,912.78 and 910,204.54

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Solution

The fourth proportional to 1,419,503.38, 1,958,912.78 and 910,204.54 is: 1,256,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,503.38 : 1,958,912.78 = 910,204.54 : x
  2. Step 2: Convert to fraction form
    1,419,503.38/1,958,912.78 = 910,204.54/x
  3. Step 3: Cross multiply
    1,419,503.38x = 1,958,912.78 × 910,204.54
  4. Step 4: Simplify right side
    1,419,503.38x = 1,783,011,291,474.43
  5. Step 5: Solve for x
    x = 1,783,011,291,474.43/1,419,503.38
  6. Step 6: Final answer
    x = 1,256,081.05

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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.