Home / 667,620.58-1,001,431.59-168,984.58

Finding the Fourth Proportional to 667,620.58, 1,001,431.59 and 168,984.58

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Solution

The fourth proportional to 667,620.58, 1,001,431.59 and 168,984.58 is: 253,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,620.58 : 1,001,431.59 = 168,984.58 : x
  2. Step 2: Convert to fraction form
    667,620.58/1,001,431.59 = 168,984.58/x
  3. Step 3: Cross multiply
    667,620.58x = 1,001,431.59 × 168,984.58
  4. Step 4: Simplify right side
    667,620.58x = 169,226,496,634.88
  5. Step 5: Solve for x
    x = 169,226,496,634.88/667,620.58
  6. Step 6: Final answer
    x = 253,477.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.