Home / 381,822.68-526,898.24-228,945.25

Finding the Fourth Proportional to 381,822.68, 526,898.24 and 228,945.25

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Solution

The fourth proportional to 381,822.68, 526,898.24 and 228,945.25 is: 315,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,822.68 : 526,898.24 = 228,945.25 : x
  2. Step 2: Convert to fraction form
    381,822.68/526,898.24 = 228,945.25/x
  3. Step 3: Cross multiply
    381,822.68x = 526,898.24 × 228,945.25
  4. Step 4: Simplify right side
    381,822.68x = 120,630,846,819.39
  5. Step 5: Solve for x
    x = 120,630,846,819.39/381,822.68
  6. Step 6: Final answer
    x = 315,934.21

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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.