Home / 591,121.87-886,807.41-191,731.57

Finding the Fourth Proportional to 591,121.87, 886,807.41 and 191,731.57

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Solution

The fourth proportional to 591,121.87, 886,807.41 and 191,731.57 is: 287,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,121.87 : 886,807.41 = 191,731.57 : x
  2. Step 2: Convert to fraction form
    591,121.87/886,807.41 = 191,731.57/x
  3. Step 3: Cross multiply
    591,121.87x = 886,807.41 × 191,731.57
  4. Step 4: Simplify right side
    591,121.87x = 170,028,977,006.93
  5. Step 5: Solve for x
    x = 170,028,977,006.93/591,121.87
  6. Step 6: Final answer
    x = 287,637.77

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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.