Home / 688,855.44-1,033,281.72-190,218

Finding the Fourth Proportional to 688,855.44, 1,033,281.72 and 190,218

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Solution

The fourth proportional to 688,855.44, 1,033,281.72 and 190,218 is: 285,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,855.44 : 1,033,281.72 = 190,218 : x
  2. Step 2: Convert to fraction form
    688,855.44/1,033,281.72 = 190,218/x
  3. Step 3: Cross multiply
    688,855.44x = 1,033,281.72 × 190,218
  4. Step 4: Simplify right side
    688,855.44x = 196,548,782,214.96
  5. Step 5: Solve for x
    x = 196,548,782,214.96/688,855.44
  6. Step 6: Final answer
    x = 285,326.60

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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.