Home / 1,876,785.70-2,815,152.24-739,557.78

Finding the Fourth Proportional to 1,876,785.70, 2,815,152.24 and 739,557.78

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Solution

The fourth proportional to 1,876,785.70, 2,815,152.24 and 739,557.78 is: 1,109,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,785.70 : 2,815,152.24 = 739,557.78 : x
  2. Step 2: Convert to fraction form
    1,876,785.70/2,815,152.24 = 739,557.78/x
  3. Step 3: Cross multiply
    1,876,785.70x = 2,815,152.24 × 739,557.78
  4. Step 4: Simplify right side
    1,876,785.70x = 2,081,967,740,976.43
  5. Step 5: Solve for x
    x = 2,081,967,740,976.43/1,876,785.70
  6. Step 6: Final answer
    x = 1,109,326.30

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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.