Home / 1,185,033.85-1,635,345.65-668,896.38

Finding the Fourth Proportional to 1,185,033.85, 1,635,345.65 and 668,896.38

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Solution

The fourth proportional to 1,185,033.85, 1,635,345.65 and 668,896.38 is: 923,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,033.85 : 1,635,345.65 = 668,896.38 : x
  2. Step 2: Convert to fraction form
    1,185,033.85/1,635,345.65 = 668,896.38/x
  3. Step 3: Cross multiply
    1,185,033.85x = 1,635,345.65 × 668,896.38
  4. Step 4: Simplify right side
    1,185,033.85x = 1,093,876,787,005.99
  5. Step 5: Solve for x
    x = 1,093,876,787,005.99/1,185,033.85
  6. Step 6: Final answer
    x = 923,076.41

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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.