Home / 1,098,200.90-1,647,571.35-378,553.70

Finding the Fourth Proportional to 1,098,200.90, 1,647,571.35 and 378,553.70

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Solution

The fourth proportional to 1,098,200.90, 1,647,571.35 and 378,553.70 is: 567,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,200.90 : 1,647,571.35 = 378,553.70 : x
  2. Step 2: Convert to fraction form
    1,098,200.90/1,647,571.35 = 378,553.70/x
  3. Step 3: Cross multiply
    1,098,200.90x = 1,647,571.35 × 378,553.70
  4. Step 4: Simplify right side
    1,098,200.90x = 623,694,230,556.50
  5. Step 5: Solve for x
    x = 623,694,230,556.50/1,098,200.90
  6. Step 6: Final answer
    x = 567,923.62

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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.