Home / 1,193,619.81-1,647,195.53-649,759.73

Finding the Fourth Proportional to 1,193,619.81, 1,647,195.53 and 649,759.73

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Solution

The fourth proportional to 1,193,619.81, 1,647,195.53 and 649,759.73 is: 896,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,619.81 : 1,647,195.53 = 649,759.73 : x
  2. Step 2: Convert to fraction form
    1,193,619.81/1,647,195.53 = 649,759.73/x
  3. Step 3: Cross multiply
    1,193,619.81x = 1,647,195.53 × 649,759.73
  4. Step 4: Simplify right side
    1,193,619.81x = 1,070,281,311,345.23
  5. Step 5: Solve for x
    x = 1,070,281,311,345.23/1,193,619.81
  6. Step 6: Final answer
    x = 896,668.52

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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.