Home / 1,378,341.88-2,067,512.82-629,863

Finding the Fourth Proportional to 1,378,341.88, 2,067,512.82 and 629,863

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Solution

The fourth proportional to 1,378,341.88, 2,067,512.82 and 629,863 is: 944,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,341.88 : 2,067,512.82 = 629,863 : x
  2. Step 2: Convert to fraction form
    1,378,341.88/2,067,512.82 = 629,863/x
  3. Step 3: Cross multiply
    1,378,341.88x = 2,067,512.82 × 629,863
  4. Step 4: Simplify right side
    1,378,341.88x = 1,302,249,827,343.66
  5. Step 5: Solve for x
    x = 1,302,249,827,343.66/1,378,341.88
  6. Step 6: Final answer
    x = 944,794.50

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1.5x scale

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.