Home / 443,844.88-665,935.05-266,475.53

Finding the Fourth Proportional to 443,844.88, 665,935.05 and 266,475.53

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Solution

The fourth proportional to 443,844.88, 665,935.05 and 266,475.53 is: 399,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,844.88 : 665,935.05 = 266,475.53 : x
  2. Step 2: Convert to fraction form
    443,844.88/665,935.05 = 266,475.53/x
  3. Step 3: Cross multiply
    443,844.88x = 665,935.05 × 266,475.53
  4. Step 4: Simplify right side
    443,844.88x = 177,455,395,394.33
  5. Step 5: Solve for x
    x = 177,455,395,394.33/443,844.88
  6. Step 6: Final answer
    x = 399,814.00

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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.