Home / 1,219,357.62-1,682,695.80-675,492.48

Finding the Fourth Proportional to 1,219,357.62, 1,682,695.80 and 675,492.48

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Solution

The fourth proportional to 1,219,357.62, 1,682,695.80 and 675,492.48 is: 932,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,357.62 : 1,682,695.80 = 675,492.48 : x
  2. Step 2: Convert to fraction form
    1,219,357.62/1,682,695.80 = 675,492.48/x
  3. Step 3: Cross multiply
    1,219,357.62x = 1,682,695.80 × 675,492.48
  4. Step 4: Simplify right side
    1,219,357.62x = 1,136,648,359,027.58
  5. Step 5: Solve for x
    x = 1,136,648,359,027.58/1,219,357.62
  6. Step 6: Final answer
    x = 932,169.81

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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.