Home / 1,207,745.60-1,666,692.38-691,507.41

Finding the Fourth Proportional to 1,207,745.60, 1,666,692.38 and 691,507.41

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Solution

The fourth proportional to 1,207,745.60, 1,666,692.38 and 691,507.41 is: 954,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,745.60 : 1,666,692.38 = 691,507.41 : x
  2. Step 2: Convert to fraction form
    1,207,745.60/1,666,692.38 = 691,507.41/x
  3. Step 3: Cross multiply
    1,207,745.60x = 1,666,692.38 × 691,507.41
  4. Step 4: Simplify right side
    1,207,745.60x = 1,152,530,126,660.53
  5. Step 5: Solve for x
    x = 1,152,530,126,660.53/1,207,745.60
  6. Step 6: Final answer
    x = 954,282.20

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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.