Home / 987,795.54-1,363,164.39-535,086.54

Finding the Fourth Proportional to 987,795.54, 1,363,164.39 and 535,086.54

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Solution

The fourth proportional to 987,795.54, 1,363,164.39 and 535,086.54 is: 738,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,795.54 : 1,363,164.39 = 535,086.54 : x
  2. Step 2: Convert to fraction form
    987,795.54/1,363,164.39 = 535,086.54/x
  3. Step 3: Cross multiply
    987,795.54x = 1,363,164.39 × 535,086.54
  4. Step 4: Simplify right side
    987,795.54x = 729,410,916,896.31
  5. Step 5: Solve for x
    x = 729,410,916,896.31/987,795.54
  6. Step 6: Final answer
    x = 738,422.97

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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.