Home / 618,022.20-926,946.90-197,340.60

Finding the Fourth Proportional to 618,022.20, 926,946.90 and 197,340.60

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Solution

The fourth proportional to 618,022.20, 926,946.90 and 197,340.60 is: 295,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,022.20 : 926,946.90 = 197,340.60 : x
  2. Step 2: Convert to fraction form
    618,022.20/926,946.90 = 197,340.60/x
  3. Step 3: Cross multiply
    618,022.20x = 926,946.90 × 197,340.60
  4. Step 4: Simplify right side
    618,022.20x = 182,924,257,414.14
  5. Step 5: Solve for x
    x = 182,924,257,414.14/618,022.20
  6. Step 6: Final answer
    x = 295,983.31

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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.