Home / 394,200.62-543,997.47-224,434.82

Finding the Fourth Proportional to 394,200.62, 543,997.47 and 224,434.82

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Solution

The fourth proportional to 394,200.62, 543,997.47 and 224,434.82 is: 309,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,200.62 : 543,997.47 = 224,434.82 : x
  2. Step 2: Convert to fraction form
    394,200.62/543,997.47 = 224,434.82/x
  3. Step 3: Cross multiply
    394,200.62x = 543,997.47 × 224,434.82
  4. Step 4: Simplify right side
    394,200.62x = 122,091,974,259.91
  5. Step 5: Solve for x
    x = 122,091,974,259.91/394,200.62
  6. Step 6: Final answer
    x = 309,720.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.