Home / 1,493,092.12-2,238,979.32-427,892.44

Finding the Fourth Proportional to 1,493,092.12, 2,238,979.32 and 427,892.44

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Solution

The fourth proportional to 1,493,092.12, 2,238,979.32 and 427,892.44 is: 641,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,092.12 : 2,238,979.32 = 427,892.44 : x
  2. Step 2: Convert to fraction form
    1,493,092.12/2,238,979.32 = 427,892.44/x
  3. Step 3: Cross multiply
    1,493,092.12x = 2,238,979.32 × 427,892.44
  4. Step 4: Simplify right side
    1,493,092.12x = 958,042,324,344.34
  5. Step 5: Solve for x
    x = 958,042,324,344.34/1,493,092.12
  6. Step 6: Final answer
    x = 641,649.84

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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.