Home / 863,910.88-1,192,434.17-501,451.51

Finding the Fourth Proportional to 863,910.88, 1,192,434.17 and 501,451.51

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Solution

The fourth proportional to 863,910.88, 1,192,434.17 and 501,451.51 is: 692,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,910.88 : 1,192,434.17 = 501,451.51 : x
  2. Step 2: Convert to fraction form
    863,910.88/1,192,434.17 = 501,451.51/x
  3. Step 3: Cross multiply
    863,910.88x = 1,192,434.17 × 501,451.51
  4. Step 4: Simplify right side
    863,910.88x = 597,947,914,118.33
  5. Step 5: Solve for x
    x = 597,947,914,118.33/863,910.88
  6. Step 6: Final answer
    x = 692,140.74

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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.