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Finding the Fourth Proportional to 1,080,806.06, 1,619,898.22 and 793,835.70

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Solution

The fourth proportional to 1,080,806.06, 1,619,898.22 and 793,835.70 is: 1,189,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,806.06 : 1,619,898.22 = 793,835.70 : x
  2. Step 2: Convert to fraction form
    1,080,806.06/1,619,898.22 = 793,835.70/x
  3. Step 3: Cross multiply
    1,080,806.06x = 1,619,898.22 × 793,835.70
  4. Step 4: Simplify right side
    1,080,806.06x = 1,285,933,037,402.45
  5. Step 5: Solve for x
    x = 1,285,933,037,402.45/1,080,806.06
  6. Step 6: Final answer
    x = 1,189,790.74

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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.