Home / 812,793.57-1,121,680.44-450,251.16

Finding the Fourth Proportional to 812,793.57, 1,121,680.44 and 450,251.16

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Solution

The fourth proportional to 812,793.57, 1,121,680.44 and 450,251.16 is: 621,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,793.57 : 1,121,680.44 = 450,251.16 : x
  2. Step 2: Convert to fraction form
    812,793.57/1,121,680.44 = 450,251.16/x
  3. Step 3: Cross multiply
    812,793.57x = 1,121,680.44 × 450,251.16
  4. Step 4: Simplify right side
    812,793.57x = 505,037,917,008.06
  5. Step 5: Solve for x
    x = 505,037,917,008.06/812,793.57
  6. Step 6: Final answer
    x = 621,360.62

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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.