Home / 805,955.22-1,112,183.12-443,356.10

Finding the Fourth Proportional to 805,955.22, 1,112,183.12 and 443,356.10

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Solution

The fourth proportional to 805,955.22, 1,112,183.12 and 443,356.10 is: 611,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,955.22 : 1,112,183.12 = 443,356.10 : x
  2. Step 2: Convert to fraction form
    805,955.22/1,112,183.12 = 443,356.10/x
  3. Step 3: Cross multiply
    805,955.22x = 1,112,183.12 × 443,356.10
  4. Step 4: Simplify right side
    805,955.22x = 493,093,162,791.34
  5. Step 5: Solve for x
    x = 493,093,162,791.34/805,955.22
  6. Step 6: Final answer
    x = 611,812.11

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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.