Home / 591,128.12-886,816.79-191,737.82

Finding the Fourth Proportional to 591,128.12, 886,816.79 and 191,737.82

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Solution

The fourth proportional to 591,128.12, 886,816.79 and 191,737.82 is: 287,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,128.12 : 886,816.79 = 191,737.82 : x
  2. Step 2: Convert to fraction form
    591,128.12/886,816.79 = 191,737.82/x
  3. Step 3: Cross multiply
    591,128.12x = 886,816.79 × 191,737.82
  4. Step 4: Simplify right side
    591,128.12x = 170,036,318,054.00
  5. Step 5: Solve for x
    x = 170,036,318,054.00/591,128.12
  6. Step 6: Final answer
    x = 287,647.15

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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.