Home / 822,144.22-1,134,479.28-516,122.78

Finding the Fourth Proportional to 822,144.22, 1,134,479.28 and 516,122.78

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Solution

The fourth proportional to 822,144.22, 1,134,479.28 and 516,122.78 is: 712,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,144.22 : 1,134,479.28 = 516,122.78 : x
  2. Step 2: Convert to fraction form
    822,144.22/1,134,479.28 = 516,122.78/x
  3. Step 3: Cross multiply
    822,144.22x = 1,134,479.28 × 516,122.78
  4. Step 4: Simplify right side
    822,144.22x = 585,530,599,846.00
  5. Step 5: Solve for x
    x = 585,530,599,846.00/822,144.22
  6. Step 6: Final answer
    x = 712,199.38

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Double scale
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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.