Home / 1,219,514.85-1,682,885.79-703,290.51

Finding the Fourth Proportional to 1,219,514.85, 1,682,885.79 and 703,290.51

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Solution

The fourth proportional to 1,219,514.85, 1,682,885.79 and 703,290.51 is: 970,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,514.85 : 1,682,885.79 = 703,290.51 : x
  2. Step 2: Convert to fraction form
    1,219,514.85/1,682,885.79 = 703,290.51/x
  3. Step 3: Cross multiply
    1,219,514.85x = 1,682,885.79 × 703,290.51
  4. Step 4: Simplify right side
    1,219,514.85x = 1,183,557,605,520.85
  5. Step 5: Solve for x
    x = 1,183,557,605,520.85/1,219,514.85
  6. Step 6: Final answer
    x = 970,515.12

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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.