Home / 1,241,203.79-1,861,805.78-399,755.54

Finding the Fourth Proportional to 1,241,203.79, 1,861,805.78 and 399,755.54

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Solution

The fourth proportional to 1,241,203.79, 1,861,805.78 and 399,755.54 is: 599,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,203.79 : 1,861,805.78 = 399,755.54 : x
  2. Step 2: Convert to fraction form
    1,241,203.79/1,861,805.78 = 399,755.54/x
  3. Step 3: Cross multiply
    1,241,203.79x = 1,861,805.78 × 399,755.54
  4. Step 4: Simplify right side
    1,241,203.79x = 744,267,163,651.22
  5. Step 5: Solve for x
    x = 744,267,163,651.22/1,241,203.79
  6. Step 6: Final answer
    x = 599,633.33

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Double scale
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1.5x scale

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.