Home / 1,126,608.75-1,553,865.19-816,057.49

Finding the Fourth Proportional to 1,126,608.75, 1,553,865.19 and 816,057.49

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Solution

The fourth proportional to 1,126,608.75, 1,553,865.19 and 816,057.49 is: 1,125,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,608.75 : 1,553,865.19 = 816,057.49 : x
  2. Step 2: Convert to fraction form
    1,126,608.75/1,553,865.19 = 816,057.49/x
  3. Step 3: Cross multiply
    1,126,608.75x = 1,553,865.19 × 816,057.49
  4. Step 4: Simplify right side
    1,126,608.75x = 1,268,043,326,749.77
  5. Step 5: Solve for x
    x = 1,268,043,326,749.77/1,126,608.75
  6. Step 6: Final answer
    x = 1,125,540.10

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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.