Home / 521,786.10-782,359.26-222,096.06

Finding the Fourth Proportional to 521,786.10, 782,359.26 and 222,096.06

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Solution

The fourth proportional to 521,786.10, 782,359.26 and 222,096.06 is: 333,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,786.10 : 782,359.26 = 222,096.06 : x
  2. Step 2: Convert to fraction form
    521,786.10/782,359.26 = 222,096.06/x
  3. Step 3: Cross multiply
    521,786.10x = 782,359.26 × 222,096.06
  4. Step 4: Simplify right side
    521,786.10x = 173,758,909,150.52
  5. Step 5: Solve for x
    x = 173,758,909,150.52/521,786.10
  6. Step 6: Final answer
    x = 333,007.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.