Home / 688,986.44-1,033,499.12-190,350.44

Finding the Fourth Proportional to 688,986.44, 1,033,499.12 and 190,350.44

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Solution

The fourth proportional to 688,986.44, 1,033,499.12 and 190,350.44 is: 285,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,986.44 : 1,033,499.12 = 190,350.44 : x
  2. Step 2: Convert to fraction form
    688,986.44/1,033,499.12 = 190,350.44/x
  3. Step 3: Cross multiply
    688,986.44x = 1,033,499.12 × 190,350.44
  4. Step 4: Simplify right side
    688,986.44x = 196,727,012,231.61
  5. Step 5: Solve for x
    x = 196,727,012,231.61/688,986.44
  6. Step 6: Final answer
    x = 285,531.04

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1.5x scale

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.