Home / 1,219,228.56-1,682,548.92-675,372.69

Finding the Fourth Proportional to 1,219,228.56, 1,682,548.92 and 675,372.69

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Solution

The fourth proportional to 1,219,228.56, 1,682,548.92 and 675,372.69 is: 932,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,228.56 : 1,682,548.92 = 675,372.69 : x
  2. Step 2: Convert to fraction form
    1,219,228.56/1,682,548.92 = 675,372.69/x
  3. Step 3: Cross multiply
    1,219,228.56x = 1,682,548.92 × 675,372.69
  4. Step 4: Simplify right side
    1,219,228.56x = 1,136,347,590,156.99
  5. Step 5: Solve for x
    x = 1,136,347,590,156.99/1,219,228.56
  6. Step 6: Final answer
    x = 932,021.79

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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.