Home / 689,178.69-1,033,787.48-190,542.69

Finding the Fourth Proportional to 689,178.69, 1,033,787.48 and 190,542.69

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Solution

The fourth proportional to 689,178.69, 1,033,787.48 and 190,542.69 is: 285,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,178.69 : 1,033,787.48 = 190,542.69 : x
  2. Step 2: Convert to fraction form
    689,178.69/1,033,787.48 = 190,542.69/x
  3. Step 3: Cross multiply
    689,178.69x = 1,033,787.48 × 190,542.69
  4. Step 4: Simplify right side
    689,178.69x = 196,980,646,374.81
  5. Step 5: Solve for x
    x = 196,980,646,374.81/689,178.69
  6. Step 6: Final answer
    x = 285,819.41

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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.