Home / 443,869.17-665,971.36-266,499.83

Finding the Fourth Proportional to 443,869.17, 665,971.36 and 266,499.83

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Solution

The fourth proportional to 443,869.17, 665,971.36 and 266,499.83 is: 399,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,869.17 : 665,971.36 = 266,499.83 : x
  2. Step 2: Convert to fraction form
    443,869.17/665,971.36 = 266,499.83/x
  3. Step 3: Cross multiply
    443,869.17x = 665,971.36 × 266,499.83
  4. Step 4: Simplify right side
    443,869.17x = 177,481,250,228.76
  5. Step 5: Solve for x
    x = 177,481,250,228.76/443,869.17
  6. Step 6: Final answer
    x = 399,850.37

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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.