Home / 470,626.20-649,439.29-266,679.56

Finding the Fourth Proportional to 470,626.20, 649,439.29 and 266,679.56

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Solution

The fourth proportional to 470,626.20, 649,439.29 and 266,679.56 is: 368,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,626.20 : 649,439.29 = 266,679.56 : x
  2. Step 2: Convert to fraction form
    470,626.20/649,439.29 = 266,679.56/x
  3. Step 3: Cross multiply
    470,626.20x = 649,439.29 × 266,679.56
  4. Step 4: Simplify right side
    470,626.20x = 173,192,186,060.86
  5. Step 5: Solve for x
    x = 173,192,186,060.86/470,626.20
  6. Step 6: Final answer
    x = 368,003.71

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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.