Home / 447,204.75-617,157.73-256,255.04

Finding the Fourth Proportional to 447,204.75, 617,157.73 and 256,255.04

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Solution

The fourth proportional to 447,204.75, 617,157.73 and 256,255.04 is: 353,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,204.75 : 617,157.73 = 256,255.04 : x
  2. Step 2: Convert to fraction form
    447,204.75/617,157.73 = 256,255.04/x
  3. Step 3: Cross multiply
    447,204.75x = 617,157.73 × 256,255.04
  4. Step 4: Simplify right side
    447,204.75x = 158,149,780,650.67
  5. Step 5: Solve for x
    x = 158,149,780,650.67/447,204.75
  6. Step 6: Final answer
    x = 353,640.66

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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.