Home / 454,923.68-682,976.82-349,816.44

Finding the Fourth Proportional to 454,923.68, 682,976.82 and 349,816.44

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Solution

The fourth proportional to 454,923.68, 682,976.82 and 349,816.44 is: 525,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,923.68 : 682,976.82 = 349,816.44 : x
  2. Step 2: Convert to fraction form
    454,923.68/682,976.82 = 349,816.44/x
  3. Step 3: Cross multiply
    454,923.68x = 682,976.82 × 349,816.44
  4. Step 4: Simplify right side
    454,923.68x = 238,916,519,774.92
  5. Step 5: Solve for x
    x = 238,916,519,774.92/454,923.68
  6. Step 6: Final answer
    x = 525,179.34

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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.