Home / 1,004,296.68-1,385,528.76-641,626.56

Finding the Fourth Proportional to 1,004,296.68, 1,385,528.76 and 641,626.56

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Solution

The fourth proportional to 1,004,296.68, 1,385,528.76 and 641,626.56 is: 885,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,296.68 : 1,385,528.76 = 641,626.56 : x
  2. Step 2: Convert to fraction form
    1,004,296.68/1,385,528.76 = 641,626.56/x
  3. Step 3: Cross multiply
    1,004,296.68x = 1,385,528.76 × 641,626.56
  4. Step 4: Simplify right side
    1,004,296.68x = 888,992,052,059.87
  5. Step 5: Solve for x
    x = 888,992,052,059.87/1,004,296.68
  6. Step 6: Final answer
    x = 885,188.68

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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.