Home / 824,789.36-1,236,299.52-540,372.44

Finding the Fourth Proportional to 824,789.36, 1,236,299.52 and 540,372.44

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Solution

The fourth proportional to 824,789.36, 1,236,299.52 and 540,372.44 is: 809,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,789.36 : 1,236,299.52 = 540,372.44 : x
  2. Step 2: Convert to fraction form
    824,789.36/1,236,299.52 = 540,372.44/x
  3. Step 3: Cross multiply
    824,789.36x = 1,236,299.52 × 540,372.44
  4. Step 4: Simplify right side
    824,789.36x = 668,062,188,193.23
  5. Step 5: Solve for x
    x = 668,062,188,193.23/824,789.36
  6. Step 6: Final answer
    x = 809,979.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.