Home / 1,976,912.18-2,965,335.47-629,156.34

Finding the Fourth Proportional to 1,976,912.18, 2,965,335.47 and 629,156.34

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Solution

The fourth proportional to 1,976,912.18, 2,965,335.47 and 629,156.34 is: 943,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,912.18 : 2,965,335.47 = 629,156.34 : x
  2. Step 2: Convert to fraction form
    1,976,912.18/2,965,335.47 = 629,156.34/x
  3. Step 3: Cross multiply
    1,976,912.18x = 2,965,335.47 × 629,156.34
  4. Step 4: Simplify right side
    1,976,912.18x = 1,865,659,611,177.38
  5. Step 5: Solve for x
    x = 1,865,659,611,177.38/1,976,912.18
  6. Step 6: Final answer
    x = 943,724.07

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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.