Home / 1,394,874.96-2,092,001.08-646,823.76

Finding the Fourth Proportional to 1,394,874.96, 2,092,001.08 and 646,823.76

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Solution

The fourth proportional to 1,394,874.96, 2,092,001.08 and 646,823.76 is: 970,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,874.96 : 2,092,001.08 = 646,823.76 : x
  2. Step 2: Convert to fraction form
    1,394,874.96/2,092,001.08 = 646,823.76/x
  3. Step 3: Cross multiply
    1,394,874.96x = 2,092,001.08 × 646,823.76
  4. Step 4: Simplify right side
    1,394,874.96x = 1,353,156,004,489.66
  5. Step 5: Solve for x
    x = 1,353,156,004,489.66/1,394,874.96
  6. Step 6: Final answer
    x = 970,091.26

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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.