Home / 1,954,936.80-2,930,266.80-692,114.40

Finding the Fourth Proportional to 1,954,936.80, 2,930,266.80 and 692,114.40

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Solution

The fourth proportional to 1,954,936.80, 2,930,266.80 and 692,114.40 is: 1,037,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,936.80 : 2,930,266.80 = 692,114.40 : x
  2. Step 2: Convert to fraction form
    1,954,936.80/2,930,266.80 = 692,114.40/x
  3. Step 3: Cross multiply
    1,954,936.80x = 2,930,266.80 × 692,114.40
  4. Step 4: Simplify right side
    1,954,936.80x = 2,028,079,848,121.92
  5. Step 5: Solve for x
    x = 2,028,079,848,121.92/1,954,936.80
  6. Step 6: Final answer
    x = 1,037,414.53

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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.