Home / 1,384,626.96-2,076,578.46-411,729.27

Finding the Fourth Proportional to 1,384,626.96, 2,076,578.46 and 411,729.27

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Solution

The fourth proportional to 1,384,626.96, 2,076,578.46 and 411,729.27 is: 617,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,626.96 : 2,076,578.46 = 411,729.27 : x
  2. Step 2: Convert to fraction form
    1,384,626.96/2,076,578.46 = 411,729.27/x
  3. Step 3: Cross multiply
    1,384,626.96x = 2,076,578.46 × 411,729.27
  4. Step 4: Simplify right side
    1,384,626.96x = 854,988,133,433.52
  5. Step 5: Solve for x
    x = 854,988,133,433.52/1,384,626.96
  6. Step 6: Final answer
    x = 617,486.27

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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.