Home / 863,164.62-1,191,172.26-500,804.22

Finding the Fourth Proportional to 863,164.62, 1,191,172.26 and 500,804.22

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Solution

The fourth proportional to 863,164.62, 1,191,172.26 and 500,804.22 is: 691,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,164.62 : 1,191,172.26 = 500,804.22 : x
  2. Step 2: Convert to fraction form
    863,164.62/1,191,172.26 = 500,804.22/x
  3. Step 3: Cross multiply
    863,164.62x = 1,191,172.26 × 500,804.22
  4. Step 4: Simplify right side
    863,164.62x = 596,544,094,554.94
  5. Step 5: Solve for x
    x = 596,544,094,554.94/863,164.62
  6. Step 6: Final answer
    x = 691,112.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.