Home / 1,386,296.09-2,079,680.57-618,072.54

Finding the Fourth Proportional to 1,386,296.09, 2,079,680.57 and 618,072.54

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Solution

The fourth proportional to 1,386,296.09, 2,079,680.57 and 618,072.54 is: 927,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,296.09 : 2,079,680.57 = 618,072.54 : x
  2. Step 2: Convert to fraction form
    1,386,296.09/2,079,680.57 = 618,072.54/x
  3. Step 3: Cross multiply
    1,386,296.09x = 2,079,680.57 × 618,072.54
  4. Step 4: Simplify right side
    1,386,296.09x = 1,285,393,449,198.19
  5. Step 5: Solve for x
    x = 1,285,393,449,198.19/1,386,296.09
  6. Step 6: Final answer
    x = 927,214.22

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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.