Home / 1,314,881.11-1,814,564.26-726,178.78

Finding the Fourth Proportional to 1,314,881.11, 1,814,564.26 and 726,178.78

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Solution

The fourth proportional to 1,314,881.11, 1,814,564.26 and 726,178.78 is: 1,002,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,881.11 : 1,814,564.26 = 726,178.78 : x
  2. Step 2: Convert to fraction form
    1,314,881.11/1,814,564.26 = 726,178.78/x
  3. Step 3: Cross multiply
    1,314,881.11x = 1,814,564.26 × 726,178.78
  4. Step 4: Simplify right side
    1,314,881.11x = 1,317,698,060,558.40
  5. Step 5: Solve for x
    x = 1,317,698,060,558.40/1,314,881.11
  6. Step 6: Final answer
    x = 1,002,142.36

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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.