Home / 522,629.80-783,944.70-148,604.20

Finding the Fourth Proportional to 522,629.80, 783,944.70 and 148,604.20

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Solution

The fourth proportional to 522,629.80, 783,944.70 and 148,604.20 is: 222,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,629.80 : 783,944.70 = 148,604.20 : x
  2. Step 2: Convert to fraction form
    522,629.80/783,944.70 = 148,604.20/x
  3. Step 3: Cross multiply
    522,629.80x = 783,944.70 × 148,604.20
  4. Step 4: Simplify right side
    522,629.80x = 116,497,474,987.74
  5. Step 5: Solve for x
    x = 116,497,474,987.74/522,629.80
  6. Step 6: Final answer
    x = 222,906.30

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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.