Home / 591,505.20-886,091.40-354,142.80

Finding the Fourth Proportional to 591,505.20, 886,091.40 and 354,142.80

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Solution

The fourth proportional to 591,505.20, 886,091.40 and 354,142.80 is: 530,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,505.20 : 886,091.40 = 354,142.80 : x
  2. Step 2: Convert to fraction form
    591,505.20/886,091.40 = 354,142.80/x
  3. Step 3: Cross multiply
    591,505.20x = 886,091.40 × 354,142.80
  4. Step 4: Simplify right side
    591,505.20x = 313,802,889,451.92
  5. Step 5: Solve for x
    x = 313,802,889,451.92/591,505.20
  6. Step 6: Final answer
    x = 530,515.86

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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.