Home / 987,936.56-1,363,353.88-535,227.56

Finding the Fourth Proportional to 987,936.56, 1,363,353.88 and 535,227.56

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Solution

The fourth proportional to 987,936.56, 1,363,353.88 and 535,227.56 is: 738,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,936.56 : 1,363,353.88 = 535,227.56 : x
  2. Step 2: Convert to fraction form
    987,936.56/1,363,353.88 = 535,227.56/x
  3. Step 3: Cross multiply
    987,936.56x = 1,363,353.88 × 535,227.56
  4. Step 4: Simplify right side
    987,936.56x = 729,704,570,608.93
  5. Step 5: Solve for x
    x = 729,704,570,608.93/987,936.56
  6. Step 6: Final answer
    x = 738,614.81

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1.5x scale

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.