Home / 805,954.22-1,112,181.73-443,355.10

Finding the Fourth Proportional to 805,954.22, 1,112,181.73 and 443,355.10

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Solution

The fourth proportional to 805,954.22, 1,112,181.73 and 443,355.10 is: 611,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,954.22 : 1,112,181.73 = 443,355.10 : x
  2. Step 2: Convert to fraction form
    805,954.22/1,112,181.73 = 443,355.10/x
  3. Step 3: Cross multiply
    805,954.22x = 1,112,181.73 × 443,355.10
  4. Step 4: Simplify right side
    805,954.22x = 493,091,442,122.32
  5. Step 5: Solve for x
    x = 493,091,442,122.32/805,954.22
  6. Step 6: Final answer
    x = 611,810.73

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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.