Home / 1,226,414.62-1,692,452.20-682,678.86

Finding the Fourth Proportional to 1,226,414.62, 1,692,452.20 and 682,678.86

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Solution

The fourth proportional to 1,226,414.62, 1,692,452.20 and 682,678.86 is: 942,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,414.62 : 1,692,452.20 = 682,678.86 : x
  2. Step 2: Convert to fraction form
    1,226,414.62/1,692,452.20 = 682,678.86/x
  3. Step 3: Cross multiply
    1,226,414.62x = 1,692,452.20 × 682,678.86
  4. Step 4: Simplify right side
    1,226,414.62x = 1,155,401,330,038.23
  5. Step 5: Solve for x
    x = 1,155,401,330,038.23/1,226,414.62
  6. Step 6: Final answer
    x = 942,096.83

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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.