Home / 1,288,723.08-1,932,343.83-531,087.60

Finding the Fourth Proportional to 1,288,723.08, 1,932,343.83 and 531,087.60

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Solution

The fourth proportional to 1,288,723.08, 1,932,343.83 and 531,087.60 is: 796,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,723.08 : 1,932,343.83 = 531,087.60 : x
  2. Step 2: Convert to fraction form
    1,288,723.08/1,932,343.83 = 531,087.60/x
  3. Step 3: Cross multiply
    1,288,723.08x = 1,932,343.83 × 531,087.60
  4. Step 4: Simplify right side
    1,288,723.08x = 1,026,243,847,049.51
  5. Step 5: Solve for x
    x = 1,026,243,847,049.51/1,288,723.08
  6. Step 6: Final answer
    x = 796,326.12

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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.