Home / 1,193,649.74-1,647,236.61-649,789.48

Finding the Fourth Proportional to 1,193,649.74, 1,647,236.61 and 649,789.48

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Solution

The fourth proportional to 1,193,649.74, 1,647,236.61 and 649,789.48 is: 896,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,649.74 : 1,647,236.61 = 649,789.48 : x
  2. Step 2: Convert to fraction form
    1,193,649.74/1,647,236.61 = 649,789.48/x
  3. Step 3: Cross multiply
    1,193,649.74x = 1,647,236.61 × 649,789.48
  4. Step 4: Simplify right side
    1,193,649.74x = 1,070,357,020,448.37
  5. Step 5: Solve for x
    x = 1,070,357,020,448.37/1,193,649.74
  6. Step 6: Final answer
    x = 896,709.47

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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.