Home / 658,485.24-987,720.66-159,849.24

Finding the Fourth Proportional to 658,485.24, 987,720.66 and 159,849.24

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Solution

The fourth proportional to 658,485.24, 987,720.66 and 159,849.24 is: 239,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,485.24 : 987,720.66 = 159,849.24 : x
  2. Step 2: Convert to fraction form
    658,485.24/987,720.66 = 159,849.24/x
  3. Step 3: Cross multiply
    658,485.24x = 987,720.66 × 159,849.24
  4. Step 4: Simplify right side
    658,485.24x = 157,886,396,833.30
  5. Step 5: Solve for x
    x = 157,886,396,833.30/658,485.24
  6. Step 6: Final answer
    x = 239,772.11

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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.