Home / 821,676.52-1,133,905.80-459,162.82

Finding the Fourth Proportional to 821,676.52, 1,133,905.80 and 459,162.82

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Solution

The fourth proportional to 821,676.52, 1,133,905.80 and 459,162.82 is: 633,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,676.52 : 1,133,905.80 = 459,162.82 : x
  2. Step 2: Convert to fraction form
    821,676.52/1,133,905.80 = 459,162.82/x
  3. Step 3: Cross multiply
    821,676.52x = 1,133,905.80 × 459,162.82
  4. Step 4: Simplify right side
    821,676.52x = 520,647,384,742.36
  5. Step 5: Solve for x
    x = 520,647,384,742.36/821,676.52
  6. Step 6: Final answer
    x = 633,640.33

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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.