Home / 639,253.40-958,881.92-165,942.84

Finding the Fourth Proportional to 639,253.40, 958,881.92 and 165,942.84

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Solution

The fourth proportional to 639,253.40, 958,881.92 and 165,942.84 is: 248,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,253.40 : 958,881.92 = 165,942.84 : x
  2. Step 2: Convert to fraction form
    639,253.40/958,881.92 = 165,942.84/x
  3. Step 3: Cross multiply
    639,253.40x = 958,881.92 × 165,942.84
  4. Step 4: Simplify right side
    639,253.40x = 159,119,589,029.45
  5. Step 5: Solve for x
    x = 159,119,589,029.45/639,253.40
  6. Step 6: Final answer
    x = 248,914.73

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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.