Home / 492,099.04-679,080.04-301,112.43

Finding the Fourth Proportional to 492,099.04, 679,080.04 and 301,112.43

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Solution

The fourth proportional to 492,099.04, 679,080.04 and 301,112.43 is: 415,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,099.04 : 679,080.04 = 301,112.43 : x
  2. Step 2: Convert to fraction form
    492,099.04/679,080.04 = 301,112.43/x
  3. Step 3: Cross multiply
    492,099.04x = 679,080.04 × 301,112.43
  4. Step 4: Simplify right side
    492,099.04x = 204,479,441,008.90
  5. Step 5: Solve for x
    x = 204,479,441,008.90/492,099.04
  6. Step 6: Final answer
    x = 415,524.97

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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.