Home / 809,223.75-1,116,728.78-451,527.75

Finding the Fourth Proportional to 809,223.75, 1,116,728.78 and 451,527.75

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Solution

The fourth proportional to 809,223.75, 1,116,728.78 and 451,527.75 is: 623,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,223.75 : 1,116,728.78 = 451,527.75 : x
  2. Step 2: Convert to fraction form
    809,223.75/1,116,728.78 = 451,527.75/x
  3. Step 3: Cross multiply
    809,223.75x = 1,116,728.78 × 451,527.75
  4. Step 4: Simplify right side
    809,223.75x = 504,234,031,136.01
  5. Step 5: Solve for x
    x = 504,234,031,136.01/809,223.75
  6. Step 6: Final answer
    x = 623,108.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.