Home / 699,867.12-1,049,984.16-220,075.44

Finding the Fourth Proportional to 699,867.12, 1,049,984.16 and 220,075.44

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Solution

The fourth proportional to 699,867.12, 1,049,984.16 and 220,075.44 is: 330,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,867.12 : 1,049,984.16 = 220,075.44 : x
  2. Step 2: Convert to fraction form
    699,867.12/1,049,984.16 = 220,075.44/x
  3. Step 3: Cross multiply
    699,867.12x = 1,049,984.16 × 220,075.44
  4. Step 4: Simplify right side
    699,867.12x = 231,075,726,005.03
  5. Step 5: Solve for x
    x = 231,075,726,005.03/699,867.12
  6. Step 6: Final answer
    x = 330,170.86

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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.