Home / 863,242.88-1,191,504.92-509,933.22

Finding the Fourth Proportional to 863,242.88, 1,191,504.92 and 509,933.22

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Solution

The fourth proportional to 863,242.88, 1,191,504.92 and 509,933.22 is: 703,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,242.88 : 1,191,504.92 = 509,933.22 : x
  2. Step 2: Convert to fraction form
    863,242.88/1,191,504.92 = 509,933.22/x
  3. Step 3: Cross multiply
    863,242.88x = 1,191,504.92 × 509,933.22
  4. Step 4: Simplify right side
    863,242.88x = 607,587,941,990.82
  5. Step 5: Solve for x
    x = 607,587,941,990.82/863,242.88
  6. Step 6: Final answer
    x = 703,843.56

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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.