Home / 668,836.01-1,003,319.66-189,067.44

Finding the Fourth Proportional to 668,836.01, 1,003,319.66 and 189,067.44

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Solution

The fourth proportional to 668,836.01, 1,003,319.66 and 189,067.44 is: 283,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,836.01 : 1,003,319.66 = 189,067.44 : x
  2. Step 2: Convert to fraction form
    668,836.01/1,003,319.66 = 189,067.44/x
  3. Step 3: Cross multiply
    668,836.01x = 1,003,319.66 × 189,067.44
  4. Step 4: Simplify right side
    668,836.01x = 189,695,081,031.15
  5. Step 5: Solve for x
    x = 189,695,081,031.15/668,836.01
  6. Step 6: Final answer
    x = 283,619.72

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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.