Home / 378,273.41-522,001.60-206,187.59

Finding the Fourth Proportional to 378,273.41, 522,001.60 and 206,187.59

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Solution

The fourth proportional to 378,273.41, 522,001.60 and 206,187.59 is: 284,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,273.41 : 522,001.60 = 206,187.59 : x
  2. Step 2: Convert to fraction form
    378,273.41/522,001.60 = 206,187.59/x
  3. Step 3: Cross multiply
    378,273.41x = 522,001.60 × 206,187.59
  4. Step 4: Simplify right side
    378,273.41x = 107,630,253,700.62
  5. Step 5: Solve for x
    x = 107,630,253,700.62/378,273.41
  6. Step 6: Final answer
    x = 284,530.32

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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.