Home / 1,270,250.43-1,904,974.20-417,181.50

Finding the Fourth Proportional to 1,270,250.43, 1,904,974.20 and 417,181.50

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Solution

The fourth proportional to 1,270,250.43, 1,904,974.20 and 417,181.50 is: 625,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,250.43 : 1,904,974.20 = 417,181.50 : x
  2. Step 2: Convert to fraction form
    1,270,250.43/1,904,974.20 = 417,181.50/x
  3. Step 3: Cross multiply
    1,270,250.43x = 1,904,974.20 × 417,181.50
  4. Step 4: Simplify right side
    1,270,250.43x = 794,719,994,217.30
  5. Step 5: Solve for x
    x = 794,719,994,217.30/1,270,250.43
  6. Step 6: Final answer
    x = 625,640.41

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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.