Home / 693,622.56-1,040,433.72-194,986.56

Finding the Fourth Proportional to 693,622.56, 1,040,433.72 and 194,986.56

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Solution

The fourth proportional to 693,622.56, 1,040,433.72 and 194,986.56 is: 292,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,622.56 : 1,040,433.72 = 194,986.56 : x
  2. Step 2: Convert to fraction form
    693,622.56/1,040,433.72 = 194,986.56/x
  3. Step 3: Cross multiply
    693,622.56x = 1,040,433.72 × 194,986.56
  4. Step 4: Simplify right side
    693,622.56x = 202,870,591,970.80
  5. Step 5: Solve for x
    x = 202,870,591,970.80/693,622.56
  6. Step 6: Final answer
    x = 292,479.81

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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.