Home / 756,342.94-1,043,753.43-412,178.97

Finding the Fourth Proportional to 756,342.94, 1,043,753.43 and 412,178.97

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Solution

The fourth proportional to 756,342.94, 1,043,753.43 and 412,178.97 is: 568,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,342.94 : 1,043,753.43 = 412,178.97 : x
  2. Step 2: Convert to fraction form
    756,342.94/1,043,753.43 = 412,178.97/x
  3. Step 3: Cross multiply
    756,342.94x = 1,043,753.43 × 412,178.97
  4. Step 4: Simplify right side
    756,342.94x = 430,213,213,711.37
  5. Step 5: Solve for x
    x = 430,213,213,711.37/756,342.94
  6. Step 6: Final answer
    x = 568,807.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.