Home / 358,378.08-494,534.34-205,414.44

Finding the Fourth Proportional to 358,378.08, 494,534.34 and 205,414.44

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Solution

The fourth proportional to 358,378.08, 494,534.34 and 205,414.44 is: 283,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,378.08 : 494,534.34 = 205,414.44 : x
  2. Step 2: Convert to fraction form
    358,378.08/494,534.34 = 205,414.44/x
  3. Step 3: Cross multiply
    358,378.08x = 494,534.34 × 205,414.44
  4. Step 4: Simplify right side
    358,378.08x = 101,584,494,511.87
  5. Step 5: Solve for x
    x = 101,584,494,511.87/358,378.08
  6. Step 6: Final answer
    x = 283,456.22

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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.