Home / 624,436.24-936,654.40-151,121.68

Finding the Fourth Proportional to 624,436.24, 936,654.40 and 151,121.68

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Solution

The fourth proportional to 624,436.24, 936,654.40 and 151,121.68 is: 226,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,436.24 : 936,654.40 = 151,121.68 : x
  2. Step 2: Convert to fraction form
    624,436.24/936,654.40 = 151,121.68/x
  3. Step 3: Cross multiply
    624,436.24x = 936,654.40 × 151,121.68
  4. Step 4: Simplify right side
    624,436.24x = 141,548,786,507.39
  5. Step 5: Solve for x
    x = 141,548,786,507.39/624,436.24
  6. Step 6: Final answer
    x = 226,682.53

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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.