Home / 939,723.72-1,296,819.38-510,003.83

Finding the Fourth Proportional to 939,723.72, 1,296,819.38 and 510,003.83

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Solution

The fourth proportional to 939,723.72, 1,296,819.38 and 510,003.83 is: 703,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,723.72 : 1,296,819.38 = 510,003.83 : x
  2. Step 2: Convert to fraction form
    939,723.72/1,296,819.38 = 510,003.83/x
  3. Step 3: Cross multiply
    939,723.72x = 1,296,819.38 × 510,003.83
  4. Step 4: Simplify right side
    939,723.72x = 661,382,850,618.23
  5. Step 5: Solve for x
    x = 661,382,850,618.23/939,723.72
  6. Step 6: Final answer
    x = 703,805.64

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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.