Home / 1,263,771.84-1,895,657.77-422,323.59

Finding the Fourth Proportional to 1,263,771.84, 1,895,657.77 and 422,323.59

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Solution

The fourth proportional to 1,263,771.84, 1,895,657.77 and 422,323.59 is: 633,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,771.84 : 1,895,657.77 = 422,323.59 : x
  2. Step 2: Convert to fraction form
    1,263,771.84/1,895,657.77 = 422,323.59/x
  3. Step 3: Cross multiply
    1,263,771.84x = 1,895,657.77 × 422,323.59
  4. Step 4: Simplify right side
    1,263,771.84x = 800,581,002,474.42
  5. Step 5: Solve for x
    x = 800,581,002,474.42/1,263,771.84
  6. Step 6: Final answer
    x = 633,485.39

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Double scale
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Similar ratio
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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.