Home / 412,939.14-569,899.20-231,700.02

Finding the Fourth Proportional to 412,939.14, 569,899.20 and 231,700.02

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Solution

The fourth proportional to 412,939.14, 569,899.20 and 231,700.02 is: 319,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,939.14 : 569,899.20 = 231,700.02 : x
  2. Step 2: Convert to fraction form
    412,939.14/569,899.20 = 231,700.02/x
  3. Step 3: Cross multiply
    412,939.14x = 569,899.20 × 231,700.02
  4. Step 4: Simplify right side
    412,939.14x = 132,045,656,037.98
  5. Step 5: Solve for x
    x = 132,045,656,037.98/412,939.14
  6. Step 6: Final answer
    x = 319,770.26

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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.