Home / 1,212,083.88-1,672,644.96-668,207.04

Finding the Fourth Proportional to 1,212,083.88, 1,672,644.96 and 668,207.04

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Solution

The fourth proportional to 1,212,083.88, 1,672,644.96 and 668,207.04 is: 922,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,083.88 : 1,672,644.96 = 668,207.04 : x
  2. Step 2: Convert to fraction form
    1,212,083.88/1,672,644.96 = 668,207.04/x
  3. Step 3: Cross multiply
    1,212,083.88x = 1,672,644.96 × 668,207.04
  4. Step 4: Simplify right side
    1,212,083.88x = 1,117,673,137,692.52
  5. Step 5: Solve for x
    x = 1,117,673,137,692.52/1,212,083.88
  6. Step 6: Final answer
    x = 922,108.74

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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.