Home / 823,100-1,135,922.12-460,502.24

Finding the Fourth Proportional to 823,100, 1,135,922.12 and 460,502.24

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Solution

The fourth proportional to 823,100, 1,135,922.12 and 460,502.24 is: 635,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,100 : 1,135,922.12 = 460,502.24 : x
  2. Step 2: Convert to fraction form
    823,100/1,135,922.12 = 460,502.24/x
  3. Step 3: Cross multiply
    823,100x = 1,135,922.12 × 460,502.24
  4. Step 4: Simplify right side
    823,100x = 523,094,680,725.55
  5. Step 5: Solve for x
    x = 523,094,680,725.55/823,100
  6. Step 6: Final answer
    x = 635,517.78

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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.