Home / 1,226,593.71-1,840,131.27-427,901.31

Finding the Fourth Proportional to 1,226,593.71, 1,840,131.27 and 427,901.31

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Solution

The fourth proportional to 1,226,593.71, 1,840,131.27 and 427,901.31 is: 641,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,593.71 : 1,840,131.27 = 427,901.31 : x
  2. Step 2: Convert to fraction form
    1,226,593.71/1,840,131.27 = 427,901.31/x
  3. Step 3: Cross multiply
    1,226,593.71x = 1,840,131.27 × 427,901.31
  4. Step 4: Simplify right side
    1,226,593.71x = 787,394,581,004.96
  5. Step 5: Solve for x
    x = 787,394,581,004.96/1,226,593.71
  6. Step 6: Final answer
    x = 641,935.94

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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.