Home / 805,813.27-1,112,004.18-443,229.19

Finding the Fourth Proportional to 805,813.27, 1,112,004.18 and 443,229.19

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Solution

The fourth proportional to 805,813.27, 1,112,004.18 and 443,229.19 is: 611,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,813.27 : 1,112,004.18 = 443,229.19 : x
  2. Step 2: Convert to fraction form
    805,813.27/1,112,004.18 = 443,229.19/x
  3. Step 3: Cross multiply
    805,813.27x = 1,112,004.18 × 443,229.19
  4. Step 4: Simplify right side
    805,813.27x = 492,872,709,198.00
  5. Step 5: Solve for x
    x = 492,872,709,198.00/805,813.27
  6. Step 6: Final answer
    x = 611,646.31

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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.