Home / 1,296,581.73-1,945,161.56-398,101.79

Finding the Fourth Proportional to 1,296,581.73, 1,945,161.56 and 398,101.79

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Solution

The fourth proportional to 1,296,581.73, 1,945,161.56 and 398,101.79 is: 597,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,581.73 : 1,945,161.56 = 398,101.79 : x
  2. Step 2: Convert to fraction form
    1,296,581.73/1,945,161.56 = 398,101.79/x
  3. Step 3: Cross multiply
    1,296,581.73x = 1,945,161.56 × 398,101.79
  4. Step 4: Simplify right side
    1,296,581.73x = 774,372,290,144.64
  5. Step 5: Solve for x
    x = 774,372,290,144.64/1,296,581.73
  6. Step 6: Final answer
    x = 597,241.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.