Home / 443,844.38-665,934.30-266,475.03

Finding the Fourth Proportional to 443,844.38, 665,934.30 and 266,475.03

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Solution

The fourth proportional to 443,844.38, 665,934.30 and 266,475.03 is: 399,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,844.38 : 665,934.30 = 266,475.03 : x
  2. Step 2: Convert to fraction form
    443,844.38/665,934.30 = 266,475.03/x
  3. Step 3: Cross multiply
    443,844.38x = 665,934.30 × 266,475.03
  4. Step 4: Simplify right side
    443,844.38x = 177,454,862,570.53
  5. Step 5: Solve for x
    x = 177,454,862,570.53/443,844.38
  6. Step 6: Final answer
    x = 399,813.25

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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.