Home / 805,634.47-1,111,753.38-443,058.29

Finding the Fourth Proportional to 805,634.47, 1,111,753.38 and 443,058.29

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Solution

The fourth proportional to 805,634.47, 1,111,753.38 and 443,058.29 is: 611,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,634.47 : 1,111,753.38 = 443,058.29 : x
  2. Step 2: Convert to fraction form
    805,634.47/1,111,753.38 = 443,058.29/x
  3. Step 3: Cross multiply
    805,634.47x = 1,111,753.38 × 443,058.29
  4. Step 4: Simplify right side
    805,634.47x = 492,571,555,471.92
  5. Step 5: Solve for x
    x = 492,571,555,471.92/805,634.47
  6. Step 6: Final answer
    x = 611,408.24

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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.