Home / 591,639.20-886,438.20-275,447.60

Finding the Fourth Proportional to 591,639.20, 886,438.20 and 275,447.60

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Solution

The fourth proportional to 591,639.20, 886,438.20 and 275,447.60 is: 412,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,639.20 : 886,438.20 = 275,447.60 : x
  2. Step 2: Convert to fraction form
    591,639.20/886,438.20 = 275,447.60/x
  3. Step 3: Cross multiply
    591,639.20x = 886,438.20 × 275,447.60
  4. Step 4: Simplify right side
    591,639.20x = 244,167,274,738.32
  5. Step 5: Solve for x
    x = 244,167,274,738.32/591,639.20
  6. Step 6: Final answer
    x = 412,696.24

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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.