Home / 1,091,255.45-1,505,932.79-632,635.83

Finding the Fourth Proportional to 1,091,255.45, 1,505,932.79 and 632,635.83

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Solution

The fourth proportional to 1,091,255.45, 1,505,932.79 and 632,635.83 is: 873,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,255.45 : 1,505,932.79 = 632,635.83 : x
  2. Step 2: Convert to fraction form
    1,091,255.45/1,505,932.79 = 632,635.83/x
  3. Step 3: Cross multiply
    1,091,255.45x = 1,505,932.79 × 632,635.83
  4. Step 4: Simplify right side
    1,091,255.45x = 952,707,037,362.69
  5. Step 5: Solve for x
    x = 952,707,037,362.69/1,091,255.45
  6. Step 6: Final answer
    x = 873,037.60

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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.