Home / 987,863.44-1,363,249.56-535,155.52

Finding the Fourth Proportional to 987,863.44, 1,363,249.56 and 535,155.52

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Solution

The fourth proportional to 987,863.44, 1,363,249.56 and 535,155.52 is: 738,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,863.44 : 1,363,249.56 = 535,155.52 : x
  2. Step 2: Convert to fraction form
    987,863.44/1,363,249.56 = 535,155.52/x
  3. Step 3: Cross multiply
    987,863.44x = 1,363,249.56 × 535,155.52
  4. Step 4: Simplify right side
    987,863.44x = 729,550,527,171.57
  5. Step 5: Solve for x
    x = 729,550,527,171.57/987,863.44
  6. Step 6: Final answer
    x = 738,513.54

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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.