Home / 987,961.69-1,363,388.48-535,252.69

Finding the Fourth Proportional to 987,961.69, 1,363,388.48 and 535,252.69

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Solution

The fourth proportional to 987,961.69, 1,363,388.48 and 535,252.69 is: 738,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,961.69 : 1,363,388.48 = 535,252.69 : x
  2. Step 2: Convert to fraction form
    987,961.69/1,363,388.48 = 535,252.69/x
  3. Step 3: Cross multiply
    987,961.69x = 1,363,388.48 × 535,252.69
  4. Step 4: Simplify right side
    987,961.69x = 729,757,351,435.01
  5. Step 5: Solve for x
    x = 729,757,351,435.01/987,961.69
  6. Step 6: Final answer
    x = 738,649.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.