Home / 1,769,640.75-2,654,470.85-439,944.75

Finding the Fourth Proportional to 1,769,640.75, 2,654,470.85 and 439,944.75

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Solution

The fourth proportional to 1,769,640.75, 2,654,470.85 and 439,944.75 is: 659,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,640.75 : 2,654,470.85 = 439,944.75 : x
  2. Step 2: Convert to fraction form
    1,769,640.75/2,654,470.85 = 439,944.75/x
  3. Step 3: Cross multiply
    1,769,640.75x = 2,654,470.85 × 439,944.75
  4. Step 4: Simplify right side
    1,769,640.75x = 1,167,820,512,285.81
  5. Step 5: Solve for x
    x = 1,167,820,512,285.81/1,769,640.75
  6. Step 6: Final answer
    x = 659,919.54

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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.