Home / 447,121.14-617,037.96-256,194.42

Finding the Fourth Proportional to 447,121.14, 617,037.96 and 256,194.42

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Solution

The fourth proportional to 447,121.14, 617,037.96 and 256,194.42 is: 353,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,121.14 : 617,037.96 = 256,194.42 : x
  2. Step 2: Convert to fraction form
    447,121.14/617,037.96 = 256,194.42/x
  3. Step 3: Cross multiply
    447,121.14x = 617,037.96 × 256,194.42
  4. Step 4: Simplify right side
    447,121.14x = 158,081,682,280.18
  5. Step 5: Solve for x
    x = 158,081,682,280.18/447,121.14
  6. Step 6: Final answer
    x = 353,554.48

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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.