Home / 449,139.66-619,803.46-245,194.62

Finding the Fourth Proportional to 449,139.66, 619,803.46 and 245,194.62

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Solution

The fourth proportional to 449,139.66, 619,803.46 and 245,194.62 is: 338,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,139.66 : 619,803.46 = 245,194.62 : x
  2. Step 2: Convert to fraction form
    449,139.66/619,803.46 = 245,194.62/x
  3. Step 3: Cross multiply
    449,139.66x = 619,803.46 × 245,194.62
  4. Step 4: Simplify right side
    449,139.66x = 151,972,473,849.39
  5. Step 5: Solve for x
    x = 151,972,473,849.39/449,139.66
  6. Step 6: Final answer
    x = 338,363.51

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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.