Home / 283,816.92-391,260.39-223,282.44

Finding the Fourth Proportional to 283,816.92, 391,260.39 and 223,282.44

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Solution

The fourth proportional to 283,816.92, 391,260.39 and 223,282.44 is: 307,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,816.92 : 391,260.39 = 223,282.44 : x
  2. Step 2: Convert to fraction form
    283,816.92/391,260.39 = 223,282.44/x
  3. Step 3: Cross multiply
    283,816.92x = 391,260.39 × 223,282.44
  4. Step 4: Simplify right side
    283,816.92x = 87,361,574,554.55
  5. Step 5: Solve for x
    x = 87,361,574,554.55/283,816.92
  6. Step 6: Final answer
    x = 307,809.61

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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.