Home / 413,844.20-620,766.30-245,882.60

Finding the Fourth Proportional to 413,844.20, 620,766.30 and 245,882.60

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Solution

The fourth proportional to 413,844.20, 620,766.30 and 245,882.60 is: 368,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,844.20 : 620,766.30 = 245,882.60 : x
  2. Step 2: Convert to fraction form
    413,844.20/620,766.30 = 245,882.60/x
  3. Step 3: Cross multiply
    413,844.20x = 620,766.30 × 245,882.60
  4. Step 4: Simplify right side
    413,844.20x = 152,635,631,836.38
  5. Step 5: Solve for x
    x = 152,635,631,836.38/413,844.20
  6. Step 6: Final answer
    x = 368,823.90

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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.