Home / 349,778.45-482,651.35-220,668.23

Finding the Fourth Proportional to 349,778.45, 482,651.35 and 220,668.23

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Solution

The fourth proportional to 349,778.45, 482,651.35 and 220,668.23 is: 304,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,778.45 : 482,651.35 = 220,668.23 : x
  2. Step 2: Convert to fraction form
    349,778.45/482,651.35 = 220,668.23/x
  3. Step 3: Cross multiply
    349,778.45x = 482,651.35 × 220,668.23
  4. Step 4: Simplify right side
    349,778.45x = 106,505,819,766.57
  5. Step 5: Solve for x
    x = 106,505,819,766.57/349,778.45
  6. Step 6: Final answer
    x = 304,495.09

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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.