Home / 1,331,911.80-1,837,683.90-758,939.76

Finding the Fourth Proportional to 1,331,911.80, 1,837,683.90 and 758,939.76

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Solution

The fourth proportional to 1,331,911.80, 1,837,683.90 and 758,939.76 is: 1,047,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,911.80 : 1,837,683.90 = 758,939.76 : x
  2. Step 2: Convert to fraction form
    1,331,911.80/1,837,683.90 = 758,939.76/x
  3. Step 3: Cross multiply
    1,331,911.80x = 1,837,683.90 × 758,939.76
  4. Step 4: Simplify right side
    1,331,911.80x = 1,394,691,378,021.86
  5. Step 5: Solve for x
    x = 1,394,691,378,021.86/1,331,911.80
  6. Step 6: Final answer
    x = 1,047,134.94

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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.