Home / 996,490.20-1,494,735.30-491,147.40

Finding the Fourth Proportional to 996,490.20, 1,494,735.30 and 491,147.40

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Solution

The fourth proportional to 996,490.20, 1,494,735.30 and 491,147.40 is: 736,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,490.20 : 1,494,735.30 = 491,147.40 : x
  2. Step 2: Convert to fraction form
    996,490.20/1,494,735.30 = 491,147.40/x
  3. Step 3: Cross multiply
    996,490.20x = 1,494,735.30 × 491,147.40
  4. Step 4: Simplify right side
    996,490.20x = 734,135,356,283.22
  5. Step 5: Solve for x
    x = 734,135,356,283.22/996,490.20
  6. Step 6: Final answer
    x = 736,721.10

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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.