Home / 1,008,108.90-1,512,200.26-334,249.09

Finding the Fourth Proportional to 1,008,108.90, 1,512,200.26 and 334,249.09

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Solution

The fourth proportional to 1,008,108.90, 1,512,200.26 and 334,249.09 is: 501,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,108.90 : 1,512,200.26 = 334,249.09 : x
  2. Step 2: Convert to fraction form
    1,008,108.90/1,512,200.26 = 334,249.09/x
  3. Step 3: Cross multiply
    1,008,108.90x = 1,512,200.26 × 334,249.09
  4. Step 4: Simplify right side
    1,008,108.90x = 505,451,560,802.76
  5. Step 5: Solve for x
    x = 505,451,560,802.76/1,008,108.90
  6. Step 6: Final answer
    x = 501,385.87

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Double scale
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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.