Home / 996,465.20-1,494,892.20-427,845.20

Finding the Fourth Proportional to 996,465.20, 1,494,892.20 and 427,845.20

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Solution

The fourth proportional to 996,465.20, 1,494,892.20 and 427,845.20 is: 641,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,465.20 : 1,494,892.20 = 427,845.20 : x
  2. Step 2: Convert to fraction form
    996,465.20/1,494,892.20 = 427,845.20/x
  3. Step 3: Cross multiply
    996,465.20x = 1,494,892.20 × 427,845.20
  4. Step 4: Simplify right side
    996,465.20x = 639,582,452,287.44
  5. Step 5: Solve for x
    x = 639,582,452,287.44/996,465.20
  6. Step 6: Final answer
    x = 641,851.27

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1.5x scale

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.