Home / 825,196.68-1,138,775.49-462,635.82

Finding the Fourth Proportional to 825,196.68, 1,138,775.49 and 462,635.82

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Solution

The fourth proportional to 825,196.68, 1,138,775.49 and 462,635.82 is: 638,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,196.68 : 1,138,775.49 = 462,635.82 : x
  2. Step 2: Convert to fraction form
    825,196.68/1,138,775.49 = 462,635.82/x
  3. Step 3: Cross multiply
    825,196.68x = 1,138,775.49 × 462,635.82
  4. Step 4: Simplify right side
    825,196.68x = 526,838,332,612.05
  5. Step 5: Solve for x
    x = 526,838,332,612.05/825,196.68
  6. Step 6: Final answer
    x = 638,439.71

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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.