Home / 1,256,951.52-1,734,589.89-683,991.54

Finding the Fourth Proportional to 1,256,951.52, 1,734,589.89 and 683,991.54

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Solution

The fourth proportional to 1,256,951.52, 1,734,589.89 and 683,991.54 is: 943,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,951.52 : 1,734,589.89 = 683,991.54 : x
  2. Step 2: Convert to fraction form
    1,256,951.52/1,734,589.89 = 683,991.54/x
  3. Step 3: Cross multiply
    1,256,951.52x = 1,734,589.89 × 683,991.54
  4. Step 4: Simplify right side
    1,256,951.52x = 1,186,444,810,129.53
  5. Step 5: Solve for x
    x = 1,186,444,810,129.53/1,256,951.52
  6. Step 6: Final answer
    x = 943,906.58

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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.