Home / 522,029.20-782,460.60-222,458.80

Finding the Fourth Proportional to 522,029.20, 782,460.60 and 222,458.80

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Solution

The fourth proportional to 522,029.20, 782,460.60 and 222,458.80 is: 333,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,029.20 : 782,460.60 = 222,458.80 : x
  2. Step 2: Convert to fraction form
    522,029.20/782,460.60 = 222,458.80/x
  3. Step 3: Cross multiply
    522,029.20x = 782,460.60 × 222,458.80
  4. Step 4: Simplify right side
    522,029.20x = 174,065,246,123.28
  5. Step 5: Solve for x
    x = 174,065,246,123.28/522,029.20
  6. Step 6: Final answer
    x = 333,439.67

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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.