Home / 862,769.62-1,294,157.61-263,728.45

Finding the Fourth Proportional to 862,769.62, 1,294,157.61 and 263,728.45

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Solution

The fourth proportional to 862,769.62, 1,294,157.61 and 263,728.45 is: 395,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,769.62 : 1,294,157.61 = 263,728.45 : x
  2. Step 2: Convert to fraction form
    862,769.62/1,294,157.61 = 263,728.45/x
  3. Step 3: Cross multiply
    862,769.62x = 1,294,157.61 × 263,728.45
  4. Step 4: Simplify right side
    862,769.62x = 341,306,180,541.01
  5. Step 5: Solve for x
    x = 341,306,180,541.01/862,769.62
  6. Step 6: Final answer
    x = 395,593.65

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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.