Home / 327,946.20-490,807.32-201,665.76

Finding the Fourth Proportional to 327,946.20, 490,807.32 and 201,665.76

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Solution

The fourth proportional to 327,946.20, 490,807.32 and 201,665.76 is: 301,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,946.20 : 490,807.32 = 201,665.76 : x
  2. Step 2: Convert to fraction form
    327,946.20/490,807.32 = 201,665.76/x
  3. Step 3: Cross multiply
    327,946.20x = 490,807.32 × 201,665.76
  4. Step 4: Simplify right side
    327,946.20x = 98,979,031,201.36
  5. Step 5: Solve for x
    x = 98,979,031,201.36/327,946.20
  6. Step 6: Final answer
    x = 301,814.84

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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.