Home / 863,243.24-1,191,505.42-509,933.58

Finding the Fourth Proportional to 863,243.24, 1,191,505.42 and 509,933.58

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Solution

The fourth proportional to 863,243.24, 1,191,505.42 and 509,933.58 is: 703,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,243.24 : 1,191,505.42 = 509,933.58 : x
  2. Step 2: Convert to fraction form
    863,243.24/1,191,505.42 = 509,933.58/x
  3. Step 3: Cross multiply
    863,243.24x = 1,191,505.42 × 509,933.58
  4. Step 4: Simplify right side
    863,243.24x = 607,588,623,135.17
  5. Step 5: Solve for x
    x = 607,588,623,135.17/863,243.24
  6. Step 6: Final answer
    x = 703,844.06

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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.