Home / 828,887.58-1,243,331.37-548,339.22

Finding the Fourth Proportional to 828,887.58, 1,243,331.37 and 548,339.22

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Solution

The fourth proportional to 828,887.58, 1,243,331.37 and 548,339.22 is: 822,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,887.58 : 1,243,331.37 = 548,339.22 : x
  2. Step 2: Convert to fraction form
    828,887.58/1,243,331.37 = 548,339.22/x
  3. Step 3: Cross multiply
    828,887.58x = 1,243,331.37 × 548,339.22
  4. Step 4: Simplify right side
    828,887.58x = 681,767,353,627.33
  5. Step 5: Solve for x
    x = 681,767,353,627.33/828,887.58
  6. Step 6: Final answer
    x = 822,508.83

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Double scale
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Similar ratio
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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.