Home / 854,906.82-1,282,616.99-255,887.54

Finding the Fourth Proportional to 854,906.82, 1,282,616.99 and 255,887.54

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Solution

The fourth proportional to 854,906.82, 1,282,616.99 and 255,887.54 is: 383,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,906.82 : 1,282,616.99 = 255,887.54 : x
  2. Step 2: Convert to fraction form
    854,906.82/1,282,616.99 = 255,887.54/x
  3. Step 3: Cross multiply
    854,906.82x = 1,282,616.99 × 255,887.54
  4. Step 4: Simplify right side
    854,906.82x = 328,205,706,333.31
  5. Step 5: Solve for x
    x = 328,205,706,333.31/854,906.82
  6. Step 6: Final answer
    x = 383,908.16

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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.