Home / 1,021,912.33-1,410,171.54-613,771.66

Finding the Fourth Proportional to 1,021,912.33, 1,410,171.54 and 613,771.66

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Solution

The fourth proportional to 1,021,912.33, 1,410,171.54 and 613,771.66 is: 846,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,912.33 : 1,410,171.54 = 613,771.66 : x
  2. Step 2: Convert to fraction form
    1,021,912.33/1,410,171.54 = 613,771.66/x
  3. Step 3: Cross multiply
    1,021,912.33x = 1,410,171.54 × 613,771.66
  4. Step 4: Simplify right side
    1,021,912.33x = 865,523,326,990.56
  5. Step 5: Solve for x
    x = 865,523,326,990.56/1,021,912.33
  6. Step 6: Final answer
    x = 846,964.36

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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.