Home / 492,116.20-738,174.30-403,469.80

Finding the Fourth Proportional to 492,116.20, 738,174.30 and 403,469.80

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Solution

The fourth proportional to 492,116.20, 738,174.30 and 403,469.80 is: 605,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,116.20 : 738,174.30 = 403,469.80 : x
  2. Step 2: Convert to fraction form
    492,116.20/738,174.30 = 403,469.80/x
  3. Step 3: Cross multiply
    492,116.20x = 738,174.30 × 403,469.80
  4. Step 4: Simplify right side
    492,116.20x = 297,831,037,186.14
  5. Step 5: Solve for x
    x = 297,831,037,186.14/492,116.20
  6. Step 6: Final answer
    x = 605,204.70

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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.