Home / 443,932.12-666,065.85-266,562.37

Finding the Fourth Proportional to 443,932.12, 666,065.85 and 266,562.37

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Solution

The fourth proportional to 443,932.12, 666,065.85 and 266,562.37 is: 399,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,932.12 : 666,065.85 = 266,562.37 : x
  2. Step 2: Convert to fraction form
    443,932.12/666,065.85 = 266,562.37/x
  3. Step 3: Cross multiply
    443,932.12x = 666,065.85 × 266,562.37
  4. Step 4: Simplify right side
    443,932.12x = 177,548,091,552.06
  5. Step 5: Solve for x
    x = 177,548,091,552.06/443,932.12
  6. Step 6: Final answer
    x = 399,944.23

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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.