Home / 581,676.21-802,761.66-323,601.78

Finding the Fourth Proportional to 581,676.21, 802,761.66 and 323,601.78

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Solution

The fourth proportional to 581,676.21, 802,761.66 and 323,601.78 is: 446,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,676.21 : 802,761.66 = 323,601.78 : x
  2. Step 2: Convert to fraction form
    581,676.21/802,761.66 = 323,601.78/x
  3. Step 3: Cross multiply
    581,676.21x = 802,761.66 × 323,601.78
  4. Step 4: Simplify right side
    581,676.21x = 259,775,102,091.76
  5. Step 5: Solve for x
    x = 259,775,102,091.76/581,676.21
  6. Step 6: Final answer
    x = 446,597.43

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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.