Home / 649,997.42-975,105.05-223,516.01

Finding the Fourth Proportional to 649,997.42, 975,105.05 and 223,516.01

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Solution

The fourth proportional to 649,997.42, 975,105.05 and 223,516.01 is: 335,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,997.42 : 975,105.05 = 223,516.01 : x
  2. Step 2: Convert to fraction form
    649,997.42/975,105.05 = 223,516.01/x
  3. Step 3: Cross multiply
    649,997.42x = 975,105.05 × 223,516.01
  4. Step 4: Simplify right side
    649,997.42x = 217,951,591,427.03
  5. Step 5: Solve for x
    x = 217,951,591,427.03/649,997.42
  6. Step 6: Final answer
    x = 335,311.47

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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.