Home / 930,537.52-1,395,043.56-331,157.36

Finding the Fourth Proportional to 930,537.52, 1,395,043.56 and 331,157.36

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Solution

The fourth proportional to 930,537.52, 1,395,043.56 and 331,157.36 is: 496,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,537.52 : 1,395,043.56 = 331,157.36 : x
  2. Step 2: Convert to fraction form
    930,537.52/1,395,043.56 = 331,157.36/x
  3. Step 3: Cross multiply
    930,537.52x = 1,395,043.56 × 331,157.36
  4. Step 4: Simplify right side
    930,537.52x = 461,978,945,902.21
  5. Step 5: Solve for x
    x = 461,978,945,902.21/930,537.52
  6. Step 6: Final answer
    x = 496,464.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.