Home / 851,694.88-1,175,042.14-545,939.86

Finding the Fourth Proportional to 851,694.88, 1,175,042.14 and 545,939.86

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Solution

The fourth proportional to 851,694.88, 1,175,042.14 and 545,939.86 is: 753,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,694.88 : 1,175,042.14 = 545,939.86 : x
  2. Step 2: Convert to fraction form
    851,694.88/1,175,042.14 = 545,939.86/x
  3. Step 3: Cross multiply
    851,694.88x = 1,175,042.14 × 545,939.86
  4. Step 4: Simplify right side
    851,694.88x = 641,502,344,029.75
  5. Step 5: Solve for x
    x = 641,502,344,029.75/851,694.88
  6. Step 6: Final answer
    x = 753,206.77

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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.