Home / 1,152,954.38-1,591,047.08-636,745.84

Finding the Fourth Proportional to 1,152,954.38, 1,591,047.08 and 636,745.84

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Solution

The fourth proportional to 1,152,954.38, 1,591,047.08 and 636,745.84 is: 878,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,954.38 : 1,591,047.08 = 636,745.84 : x
  2. Step 2: Convert to fraction form
    1,152,954.38/1,591,047.08 = 636,745.84/x
  3. Step 3: Cross multiply
    1,152,954.38x = 1,591,047.08 × 636,745.84
  4. Step 4: Simplify right side
    1,152,954.38x = 1,013,092,609,434.15
  5. Step 5: Solve for x
    x = 1,013,092,609,434.15/1,152,954.38
  6. Step 6: Final answer
    x = 878,692.71

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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.