Home / 798,273.03-1,197,760.31-419,105.66

Finding the Fourth Proportional to 798,273.03, 1,197,760.31 and 419,105.66

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Solution

The fourth proportional to 798,273.03, 1,197,760.31 and 419,105.66 is: 628,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,273.03 : 1,197,760.31 = 419,105.66 : x
  2. Step 2: Convert to fraction form
    798,273.03/1,197,760.31 = 419,105.66/x
  3. Step 3: Cross multiply
    798,273.03x = 1,197,760.31 × 419,105.66
  4. Step 4: Simplify right side
    798,273.03x = 501,988,123,148.83
  5. Step 5: Solve for x
    x = 501,988,123,148.83/798,273.03
  6. Step 6: Final answer
    x = 628,842.64

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1.5x scale

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.