Home / 820,093.14-1,229,142.39-580,276.14

Finding the Fourth Proportional to 820,093.14, 1,229,142.39 and 580,276.14

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Solution

The fourth proportional to 820,093.14, 1,229,142.39 and 580,276.14 is: 869,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,093.14 : 1,229,142.39 = 580,276.14 : x
  2. Step 2: Convert to fraction form
    820,093.14/1,229,142.39 = 580,276.14/x
  3. Step 3: Cross multiply
    820,093.14x = 1,229,142.39 × 580,276.14
  4. Step 4: Simplify right side
    820,093.14x = 713,242,001,579.58
  5. Step 5: Solve for x
    x = 713,242,001,579.58/820,093.14
  6. Step 6: Final answer
    x = 869,708.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.