Home / 347,584.08-479,705.04-196,690.80

Finding the Fourth Proportional to 347,584.08, 479,705.04 and 196,690.80

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Solution

The fourth proportional to 347,584.08, 479,705.04 and 196,690.80 is: 271,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,584.08 : 479,705.04 = 196,690.80 : x
  2. Step 2: Convert to fraction form
    347,584.08/479,705.04 = 196,690.80/x
  3. Step 3: Cross multiply
    347,584.08x = 479,705.04 × 196,690.80
  4. Step 4: Simplify right side
    347,584.08x = 94,353,568,081.63
  5. Step 5: Solve for x
    x = 94,353,568,081.63/347,584.08
  6. Step 6: Final answer
    x = 271,455.38

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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.