Home / 1,174,515.30-1,620,965.57-658,408.59

Finding the Fourth Proportional to 1,174,515.30, 1,620,965.57 and 658,408.59

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Solution

The fourth proportional to 1,174,515.30, 1,620,965.57 and 658,408.59 is: 908,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,515.30 : 1,620,965.57 = 658,408.59 : x
  2. Step 2: Convert to fraction form
    1,174,515.30/1,620,965.57 = 658,408.59/x
  3. Step 3: Cross multiply
    1,174,515.30x = 1,620,965.57 × 658,408.59
  4. Step 4: Simplify right side
    1,174,515.30x = 1,067,257,655,382.25
  5. Step 5: Solve for x
    x = 1,067,257,655,382.25/1,174,515.30
  6. Step 6: Final answer
    x = 908,679.23

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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.