Home / 1,223,696.97-1,688,731.90-672,408.26

Finding the Fourth Proportional to 1,223,696.97, 1,688,731.90 and 672,408.26

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Solution

The fourth proportional to 1,223,696.97, 1,688,731.90 and 672,408.26 is: 927,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,696.97 : 1,688,731.90 = 672,408.26 : x
  2. Step 2: Convert to fraction form
    1,223,696.97/1,688,731.90 = 672,408.26/x
  3. Step 3: Cross multiply
    1,223,696.97x = 1,688,731.90 × 672,408.26
  4. Step 4: Simplify right side
    1,223,696.97x = 1,135,517,278,485.49
  5. Step 5: Solve for x
    x = 1,135,517,278,485.49/1,223,696.97
  6. Step 6: Final answer
    x = 927,939.93

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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.