Home / 805,082.82-1,111,025.64-442,540.14

Finding the Fourth Proportional to 805,082.82, 1,111,025.64 and 442,540.14

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Solution

The fourth proportional to 805,082.82, 1,111,025.64 and 442,540.14 is: 610,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,082.82 : 1,111,025.64 = 442,540.14 : x
  2. Step 2: Convert to fraction form
    805,082.82/1,111,025.64 = 442,540.14/x
  3. Step 3: Cross multiply
    805,082.82x = 1,111,025.64 × 442,540.14
  4. Step 4: Simplify right side
    805,082.82x = 491,673,442,269.19
  5. Step 5: Solve for x
    x = 491,673,442,269.19/805,082.82
  6. Step 6: Final answer
    x = 610,711.63

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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.