Home / 699,431.43-1,047,774.24-362,692.20

Finding the Fourth Proportional to 699,431.43, 1,047,774.24 and 362,692.20

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Solution

The fourth proportional to 699,431.43, 1,047,774.24 and 362,692.20 is: 543,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,431.43 : 1,047,774.24 = 362,692.20 : x
  2. Step 2: Convert to fraction form
    699,431.43/1,047,774.24 = 362,692.20/x
  3. Step 3: Cross multiply
    699,431.43x = 1,047,774.24 × 362,692.20
  4. Step 4: Simplify right side
    699,431.43x = 380,019,544,208.93
  5. Step 5: Solve for x
    x = 380,019,544,208.93/699,431.43
  6. Step 6: Final answer
    x = 543,326.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.