Home / 689,161.58-951,054.20-379,076.41

Finding the Fourth Proportional to 689,161.58, 951,054.20 and 379,076.41

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Solution

The fourth proportional to 689,161.58, 951,054.20 and 379,076.41 is: 523,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,161.58 : 951,054.20 = 379,076.41 : x
  2. Step 2: Convert to fraction form
    689,161.58/951,054.20 = 379,076.41/x
  3. Step 3: Cross multiply
    689,161.58x = 951,054.20 × 379,076.41
  4. Step 4: Simplify right side
    689,161.58x = 360,522,212,566.39
  5. Step 5: Solve for x
    x = 360,522,212,566.39/689,161.58
  6. Step 6: Final answer
    x = 523,131.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.