Home / 863,757.32-1,191,933.78-501,153.08

Finding the Fourth Proportional to 863,757.32, 1,191,933.78 and 501,153.08

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Solution

The fourth proportional to 863,757.32, 1,191,933.78 and 501,153.08 is: 691,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,757.32 : 1,191,933.78 = 501,153.08 : x
  2. Step 2: Convert to fraction form
    863,757.32/1,191,933.78 = 501,153.08/x
  3. Step 3: Cross multiply
    863,757.32x = 1,191,933.78 × 501,153.08
  4. Step 4: Simplify right side
    863,757.32x = 597,341,285,003.04
  5. Step 5: Solve for x
    x = 597,341,285,003.04/863,757.32
  6. Step 6: Final answer
    x = 691,561.47

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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.