Home / 987,949.52-1,363,372.60-535,240.48

Finding the Fourth Proportional to 987,949.52, 1,363,372.60 and 535,240.48

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Solution

The fourth proportional to 987,949.52, 1,363,372.60 and 535,240.48 is: 738,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,949.52 : 1,363,372.60 = 535,240.48 : x
  2. Step 2: Convert to fraction form
    987,949.52/1,363,372.60 = 535,240.48/x
  3. Step 3: Cross multiply
    987,949.52x = 1,363,372.60 × 535,240.48
  4. Step 4: Simplify right side
    987,949.52x = 729,732,204,842.85
  5. Step 5: Solve for x
    x = 729,732,204,842.85/987,949.52
  6. Step 6: Final answer
    x = 738,633.09

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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.