Home / 591,077.87-886,741.36-191,687.50

Finding the Fourth Proportional to 591,077.87, 886,741.36 and 191,687.50

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Solution

The fourth proportional to 591,077.87, 886,741.36 and 191,687.50 is: 287,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,077.87 : 886,741.36 = 191,687.50 : x
  2. Step 2: Convert to fraction form
    591,077.87/886,741.36 = 191,687.50/x
  3. Step 3: Cross multiply
    591,077.87x = 886,741.36 × 191,687.50
  4. Step 4: Simplify right side
    591,077.87x = 169,977,234,445
  5. Step 5: Solve for x
    x = 169,977,234,445/591,077.87
  6. Step 6: Final answer
    x = 287,571.64

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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.