Home / 1,226,568.21-1,839,722.88-328,100.61

Finding the Fourth Proportional to 1,226,568.21, 1,839,722.88 and 328,100.61

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Solution

The fourth proportional to 1,226,568.21, 1,839,722.88 and 328,100.61 is: 492,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,568.21 : 1,839,722.88 = 328,100.61 : x
  2. Step 2: Convert to fraction form
    1,226,568.21/1,839,722.88 = 328,100.61/x
  3. Step 3: Cross multiply
    1,226,568.21x = 1,839,722.88 × 328,100.61
  4. Step 4: Simplify right side
    1,226,568.21x = 603,614,199,158.96
  5. Step 5: Solve for x
    x = 603,614,199,158.96/1,226,568.21
  6. Step 6: Final answer
    x = 492,116.29

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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.