Home / 987,963.44-1,363,390.89-535,254.44

Finding the Fourth Proportional to 987,963.44, 1,363,390.89 and 535,254.44

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Solution

The fourth proportional to 987,963.44, 1,363,390.89 and 535,254.44 is: 738,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,963.44 : 1,363,390.89 = 535,254.44 : x
  2. Step 2: Convert to fraction form
    987,963.44/1,363,390.89 = 535,254.44/x
  3. Step 3: Cross multiply
    987,963.44x = 1,363,390.89 × 535,254.44
  4. Step 4: Simplify right side
    987,963.44x = 729,761,027,328.05
  5. Step 5: Solve for x
    x = 729,761,027,328.05/987,963.44
  6. Step 6: Final answer
    x = 738,651.85

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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.