Home / 591,701.20-886,968.60-291,936.40

Finding the Fourth Proportional to 591,701.20, 886,968.60 and 291,936.40

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Solution

The fourth proportional to 591,701.20, 886,968.60 and 291,936.40 is: 437,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,701.20 : 886,968.60 = 291,936.40 : x
  2. Step 2: Convert to fraction form
    591,701.20/886,968.60 = 291,936.40/x
  3. Step 3: Cross multiply
    591,701.20x = 886,968.60 × 291,936.40
  4. Step 4: Simplify right side
    591,701.20x = 258,938,419,997.04
  5. Step 5: Solve for x
    x = 258,938,419,997.04/591,701.20
  6. Step 6: Final answer
    x = 437,616.86

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1.5x scale

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.