Home / 822,630.20-1,232,195.70-682,662.20

Finding the Fourth Proportional to 822,630.20, 1,232,195.70 and 682,662.20

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Solution

The fourth proportional to 822,630.20, 1,232,195.70 and 682,662.20 is: 1,022,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,630.20 : 1,232,195.70 = 682,662.20 : x
  2. Step 2: Convert to fraction form
    822,630.20/1,232,195.70 = 682,662.20/x
  3. Step 3: Cross multiply
    822,630.20x = 1,232,195.70 × 682,662.20
  4. Step 4: Simplify right side
    822,630.20x = 841,173,427,392.54
  5. Step 5: Solve for x
    x = 841,173,427,392.54/822,630.20
  6. Step 6: Final answer
    x = 1,022,541.39

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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.