Home / 591,121.57-886,807.06-191,731.33

Finding the Fourth Proportional to 591,121.57, 886,807.06 and 191,731.33

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Solution

The fourth proportional to 591,121.57, 886,807.06 and 191,731.33 is: 287,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,121.57 : 886,807.06 = 191,731.33 : x
  2. Step 2: Convert to fraction form
    591,121.57/886,807.06 = 191,731.33/x
  3. Step 3: Cross multiply
    591,121.57x = 886,807.06 × 191,731.33
  4. Step 4: Simplify right side
    591,121.57x = 170,028,696,108.53
  5. Step 5: Solve for x
    x = 170,028,696,108.53/591,121.57
  6. Step 6: Final answer
    x = 287,637.44

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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.