Home / 805,998.30-1,112,277.65-443,414.38

Finding the Fourth Proportional to 805,998.30, 1,112,277.65 and 443,414.38

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Solution

The fourth proportional to 805,998.30, 1,112,277.65 and 443,414.38 is: 611,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,998.30 : 1,112,277.65 = 443,414.38 : x
  2. Step 2: Convert to fraction form
    805,998.30/1,112,277.65 = 443,414.38/x
  3. Step 3: Cross multiply
    805,998.30x = 1,112,277.65 × 443,414.38
  4. Step 4: Simplify right side
    805,998.30x = 493,199,903,454.07
  5. Step 5: Solve for x
    x = 493,199,903,454.07/805,998.30
  6. Step 6: Final answer
    x = 611,911.84

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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.