Home / 688,809.44-1,033,212.72-190,172

Finding the Fourth Proportional to 688,809.44, 1,033,212.72 and 190,172

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Solution

The fourth proportional to 688,809.44, 1,033,212.72 and 190,172 is: 285,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,809.44 : 1,033,212.72 = 190,172 : x
  2. Step 2: Convert to fraction form
    688,809.44/1,033,212.72 = 190,172/x
  3. Step 3: Cross multiply
    688,809.44x = 1,033,212.72 × 190,172
  4. Step 4: Simplify right side
    688,809.44x = 196,488,129,387.84
  5. Step 5: Solve for x
    x = 196,488,129,387.84/688,809.44
  6. Step 6: Final answer
    x = 285,257.60

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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.