Home / 825,694.91-1,139,367.86-463,044.14

Finding the Fourth Proportional to 825,694.91, 1,139,367.86 and 463,044.14

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Solution

The fourth proportional to 825,694.91, 1,139,367.86 and 463,044.14 is: 638,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,694.91 : 1,139,367.86 = 463,044.14 : x
  2. Step 2: Convert to fraction form
    825,694.91/1,139,367.86 = 463,044.14/x
  3. Step 3: Cross multiply
    825,694.91x = 1,139,367.86 × 463,044.14
  4. Step 4: Simplify right side
    825,694.91x = 527,577,605,180.50
  5. Step 5: Solve for x
    x = 527,577,605,180.50/825,694.91
  6. Step 6: Final answer
    x = 638,949.81

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Double scale
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1.5x scale

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.