Home / 865,183.06-1,193,945.83-502,819.03

Finding the Fourth Proportional to 865,183.06, 1,193,945.83 and 502,819.03

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Solution

The fourth proportional to 865,183.06, 1,193,945.83 and 502,819.03 is: 693,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,183.06 : 1,193,945.83 = 502,819.03 : x
  2. Step 2: Convert to fraction form
    865,183.06/1,193,945.83 = 502,819.03/x
  3. Step 3: Cross multiply
    865,183.06x = 1,193,945.83 × 502,819.03
  4. Step 4: Simplify right side
    865,183.06x = 600,338,684,113.15
  5. Step 5: Solve for x
    x = 600,338,684,113.15/865,183.06
  6. Step 6: Final answer
    x = 693,886.31

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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.