Home / 805,891.06-1,112,132.24-443,342.49

Finding the Fourth Proportional to 805,891.06, 1,112,132.24 and 443,342.49

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Solution

The fourth proportional to 805,891.06, 1,112,132.24 and 443,342.49 is: 611,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,891.06 : 1,112,132.24 = 443,342.49 : x
  2. Step 2: Convert to fraction form
    805,891.06/1,112,132.24 = 443,342.49/x
  3. Step 3: Cross multiply
    805,891.06x = 1,112,132.24 × 443,342.49
  4. Step 4: Simplify right side
    805,891.06x = 493,055,476,490.88
  5. Step 5: Solve for x
    x = 493,055,476,490.88/805,891.06
  6. Step 6: Final answer
    x = 611,814.05

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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.