Home / 1,193,189.78-1,646,584.62-656,645.78

Finding the Fourth Proportional to 1,193,189.78, 1,646,584.62 and 656,645.78

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Solution

The fourth proportional to 1,193,189.78, 1,646,584.62 and 656,645.78 is: 906,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,189.78 : 1,646,584.62 = 656,645.78 : x
  2. Step 2: Convert to fraction form
    1,193,189.78/1,646,584.62 = 656,645.78/x
  3. Step 3: Cross multiply
    1,193,189.78x = 1,646,584.62 × 656,645.78
  4. Step 4: Simplify right side
    1,193,189.78x = 1,081,222,842,135.90
  5. Step 5: Solve for x
    x = 1,081,222,842,135.90/1,193,189.78
  6. Step 6: Final answer
    x = 906,161.67

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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.