Home / 1,079,029.92-1,488,800.34-691,668.48

Finding the Fourth Proportional to 1,079,029.92, 1,488,800.34 and 691,668.48

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Solution

The fourth proportional to 1,079,029.92, 1,488,800.34 and 691,668.48 is: 954,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,029.92 : 1,488,800.34 = 691,668.48 : x
  2. Step 2: Convert to fraction form
    1,079,029.92/1,488,800.34 = 691,668.48/x
  3. Step 3: Cross multiply
    1,079,029.92x = 1,488,800.34 × 691,668.48
  4. Step 4: Simplify right side
    1,079,029.92x = 1,029,756,268,191.28
  5. Step 5: Solve for x
    x = 1,029,756,268,191.28/1,079,029.92
  6. Step 6: Final answer
    x = 954,335.23

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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.