Home / 805,958.86-1,112,179.28-443,324.18

Finding the Fourth Proportional to 805,958.86, 1,112,179.28 and 443,324.18

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Solution

The fourth proportional to 805,958.86, 1,112,179.28 and 443,324.18 is: 611,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,958.86 : 1,112,179.28 = 443,324.18 : x
  2. Step 2: Convert to fraction form
    805,958.86/1,112,179.28 = 443,324.18/x
  3. Step 3: Cross multiply
    805,958.86x = 1,112,179.28 × 443,324.18
  4. Step 4: Simplify right side
    805,958.86x = 493,055,967,318.99
  5. Step 5: Solve for x
    x = 493,055,967,318.99/805,958.86
  6. Step 6: Final answer
    x = 611,763.20

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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.