Home / 1,674,813.78-2,511,269.33-1,142,979.12

Finding the Fourth Proportional to 1,674,813.78, 2,511,269.33 and 1,142,979.12

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Solution

The fourth proportional to 1,674,813.78, 2,511,269.33 and 1,142,979.12 is: 1,713,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,813.78 : 2,511,269.33 = 1,142,979.12 : x
  2. Step 2: Convert to fraction form
    1,674,813.78/2,511,269.33 = 1,142,979.12/x
  3. Step 3: Cross multiply
    1,674,813.78x = 2,511,269.33 × 1,142,979.12
  4. Step 4: Simplify right side
    1,674,813.78x = 2,870,328,403,171.49
  5. Step 5: Solve for x
    x = 2,870,328,403,171.49/1,674,813.78
  6. Step 6: Final answer
    x = 1,713,819.43

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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.