Home / 805,998.18-1,112,277.48-443,414.25

Finding the Fourth Proportional to 805,998.18, 1,112,277.48 and 443,414.25

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Solution

The fourth proportional to 805,998.18, 1,112,277.48 and 443,414.25 is: 611,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,998.18 : 1,112,277.48 = 443,414.25 : x
  2. Step 2: Convert to fraction form
    805,998.18/1,112,277.48 = 443,414.25/x
  3. Step 3: Cross multiply
    805,998.18x = 1,112,277.48 × 443,414.25
  4. Step 4: Simplify right side
    805,998.18x = 493,199,684,586.09
  5. Step 5: Solve for x
    x = 493,199,684,586.09/805,998.18
  6. Step 6: Final answer
    x = 611,911.66

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Double scale
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Similar ratio
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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.