Home / 1,198,481.36-1,653,912.84-661,937.36

Finding the Fourth Proportional to 1,198,481.36, 1,653,912.84 and 661,937.36

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Solution

The fourth proportional to 1,198,481.36, 1,653,912.84 and 661,937.36 is: 913,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,481.36 : 1,653,912.84 = 661,937.36 : x
  2. Step 2: Convert to fraction form
    1,198,481.36/1,653,912.84 = 661,937.36/x
  3. Step 3: Cross multiply
    1,198,481.36x = 1,653,912.84 × 661,937.36
  4. Step 4: Simplify right side
    1,198,481.36x = 1,094,786,698,979.70
  5. Step 5: Solve for x
    x = 1,094,786,698,979.70/1,198,481.36
  6. Step 6: Final answer
    x = 913,478.29

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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.