Home / 378,273.01-522,001.05-206,187.19

Finding the Fourth Proportional to 378,273.01, 522,001.05 and 206,187.19

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Solution

The fourth proportional to 378,273.01, 522,001.05 and 206,187.19 is: 284,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,273.01 : 522,001.05 = 206,187.19 : x
  2. Step 2: Convert to fraction form
    378,273.01/522,001.05 = 206,187.19/x
  3. Step 3: Cross multiply
    378,273.01x = 522,001.05 × 206,187.19
  4. Step 4: Simplify right side
    378,273.01x = 107,629,926,035.61
  5. Step 5: Solve for x
    x = 107,629,926,035.61/378,273.01
  6. Step 6: Final answer
    x = 284,529.76

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1.5x scale

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.