Home / 1,328,266.44-1,992,392.82-518,733

Finding the Fourth Proportional to 1,328,266.44, 1,992,392.82 and 518,733

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Solution

The fourth proportional to 1,328,266.44, 1,992,392.82 and 518,733 is: 778,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,266.44 : 1,992,392.82 = 518,733 : x
  2. Step 2: Convert to fraction form
    1,328,266.44/1,992,392.82 = 518,733/x
  3. Step 3: Cross multiply
    1,328,266.44x = 1,992,392.82 × 518,733
  4. Step 4: Simplify right side
    1,328,266.44x = 1,033,519,904,697.06
  5. Step 5: Solve for x
    x = 1,033,519,904,697.06/1,328,266.44
  6. Step 6: Final answer
    x = 778,096.83

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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.