Home / 470,463.21-649,096.20-266,481.72

Finding the Fourth Proportional to 470,463.21, 649,096.20 and 266,481.72

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Solution

The fourth proportional to 470,463.21, 649,096.20 and 266,481.72 is: 367,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,463.21 : 649,096.20 = 266,481.72 : x
  2. Step 2: Convert to fraction form
    470,463.21/649,096.20 = 266,481.72/x
  3. Step 3: Cross multiply
    470,463.21x = 649,096.20 × 266,481.72
  4. Step 4: Simplify right side
    470,463.21x = 172,972,271,821.46
  5. Step 5: Solve for x
    x = 172,972,271,821.46/470,463.21
  6. Step 6: Final answer
    x = 367,663.76

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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.