Home / 327,947.20-490,808.82-201,666.76

Finding the Fourth Proportional to 327,947.20, 490,808.82 and 201,666.76

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Solution

The fourth proportional to 327,947.20, 490,808.82 and 201,666.76 is: 301,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,947.20 : 490,808.82 = 201,666.76 : x
  2. Step 2: Convert to fraction form
    327,947.20/490,808.82 = 201,666.76/x
  3. Step 3: Cross multiply
    327,947.20x = 490,808.82 × 201,666.76
  4. Step 4: Simplify right side
    327,947.20x = 98,979,824,508.82
  5. Step 5: Solve for x
    x = 98,979,824,508.82/327,947.20
  6. Step 6: Final answer
    x = 301,816.34

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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.