Home / 449,150.03-619,836.42-245,209.54

Finding the Fourth Proportional to 449,150.03, 619,836.42 and 245,209.54

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Solution

The fourth proportional to 449,150.03, 619,836.42 and 245,209.54 is: 338,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,150.03 : 619,836.42 = 245,209.54 : x
  2. Step 2: Convert to fraction form
    449,150.03/619,836.42 = 245,209.54/x
  3. Step 3: Cross multiply
    449,150.03x = 619,836.42 × 245,209.54
  4. Step 4: Simplify right side
    449,150.03x = 151,989,802,197.40
  5. Step 5: Solve for x
    x = 151,989,802,197.40/449,150.03
  6. Step 6: Final answer
    x = 338,394.29

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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.