Home / 591,128.62-886,817.54-191,738.32

Finding the Fourth Proportional to 591,128.62, 886,817.54 and 191,738.32

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Solution

The fourth proportional to 591,128.62, 886,817.54 and 191,738.32 is: 287,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,128.62 : 886,817.54 = 191,738.32 : x
  2. Step 2: Convert to fraction form
    591,128.62/886,817.54 = 191,738.32/x
  3. Step 3: Cross multiply
    591,128.62x = 886,817.54 × 191,738.32
  4. Step 4: Simplify right side
    591,128.62x = 170,036,905,266.13
  5. Step 5: Solve for x
    x = 170,036,905,266.13/591,128.62
  6. Step 6: Final answer
    x = 287,647.90

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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.