Home / 439,178.31-606,034.23-242,936.49

Finding the Fourth Proportional to 439,178.31, 606,034.23 and 242,936.49

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Solution

The fourth proportional to 439,178.31, 606,034.23 and 242,936.49 is: 335,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,178.31 : 606,034.23 = 242,936.49 : x
  2. Step 2: Convert to fraction form
    439,178.31/606,034.23 = 242,936.49/x
  3. Step 3: Cross multiply
    439,178.31x = 606,034.23 × 242,936.49
  4. Step 4: Simplify right side
    439,178.31x = 147,227,828,656.05
  5. Step 5: Solve for x
    x = 147,227,828,656.05/439,178.31
  6. Step 6: Final answer
    x = 335,234.74

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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.