Home / 1,678,807.57-2,315,108.57-1,065,896.26

Finding the Fourth Proportional to 1,678,807.57, 2,315,108.57 and 1,065,896.26

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Solution

The fourth proportional to 1,678,807.57, 2,315,108.57 and 1,065,896.26 is: 1,469,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,807.57 : 2,315,108.57 = 1,065,896.26 : x
  2. Step 2: Convert to fraction form
    1,678,807.57/2,315,108.57 = 1,065,896.26/x
  3. Step 3: Cross multiply
    1,678,807.57x = 2,315,108.57 × 1,065,896.26
  4. Step 4: Simplify right side
    1,678,807.57x = 2,467,665,578,654.54
  5. Step 5: Solve for x
    x = 2,467,665,578,654.54/1,678,807.57
  6. Step 6: Final answer
    x = 1,469,891.86

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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.