Home / 672,067.50-1,008,068.43-251,310.57

Finding the Fourth Proportional to 672,067.50, 1,008,068.43 and 251,310.57

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Solution

The fourth proportional to 672,067.50, 1,008,068.43 and 251,310.57 is: 376,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,067.50 : 1,008,068.43 = 251,310.57 : x
  2. Step 2: Convert to fraction form
    672,067.50/1,008,068.43 = 251,310.57/x
  3. Step 3: Cross multiply
    672,067.50x = 1,008,068.43 × 251,310.57
  4. Step 4: Simplify right side
    672,067.50x = 253,338,251,742.31
  5. Step 5: Solve for x
    x = 253,338,251,742.31/672,067.50
  6. Step 6: Final answer
    x = 376,953.58

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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.