Home / 1,282,936.80-1,924,832.70-430,092.75

Finding the Fourth Proportional to 1,282,936.80, 1,924,832.70 and 430,092.75

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Solution

The fourth proportional to 1,282,936.80, 1,924,832.70 and 430,092.75 is: 645,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,936.80 : 1,924,832.70 = 430,092.75 : x
  2. Step 2: Convert to fraction form
    1,282,936.80/1,924,832.70 = 430,092.75/x
  3. Step 3: Cross multiply
    1,282,936.80x = 1,924,832.70 × 430,092.75
  4. Step 4: Simplify right side
    1,282,936.80x = 827,856,589,232.93
  5. Step 5: Solve for x
    x = 827,856,589,232.93/1,282,936.80
  6. Step 6: Final answer
    x = 645,282.44

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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.