Home / 1,942,325.40-2,912,451.30-819,125.40

Finding the Fourth Proportional to 1,942,325.40, 2,912,451.30 and 819,125.40

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Solution

The fourth proportional to 1,942,325.40, 2,912,451.30 and 819,125.40 is: 1,228,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,325.40 : 2,912,451.30 = 819,125.40 : x
  2. Step 2: Convert to fraction form
    1,942,325.40/2,912,451.30 = 819,125.40/x
  3. Step 3: Cross multiply
    1,942,325.40x = 2,912,451.30 × 819,125.40
  4. Step 4: Simplify right side
    1,942,325.40x = 2,385,662,836,093.02
  5. Step 5: Solve for x
    x = 2,385,662,836,093.02/1,942,325.40
  6. Step 6: Final answer
    x = 1,228,250.86

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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.