Home / 1,219,297.86-1,682,609.00-675,431.96

Finding the Fourth Proportional to 1,219,297.86, 1,682,609.00 and 675,431.96

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Solution

The fourth proportional to 1,219,297.86, 1,682,609.00 and 675,431.96 is: 932,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,297.86 : 1,682,609.00 = 675,431.96 : x
  2. Step 2: Convert to fraction form
    1,219,297.86/1,682,609.00 = 675,431.96/x
  3. Step 3: Cross multiply
    1,219,297.86x = 1,682,609.00 × 675,431.96
  4. Step 4: Simplify right side
    1,219,297.86x = 1,136,487,893,095.06
  5. Step 5: Solve for x
    x = 1,136,487,893,095.06/1,219,297.86
  6. Step 6: Final answer
    x = 932,083.89

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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.