Home / 1,771,969.48-2,448,516.54-1,261,786.12

Finding the Fourth Proportional to 1,771,969.48, 2,448,516.54 and 1,261,786.12

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Solution

The fourth proportional to 1,771,969.48, 2,448,516.54 and 1,261,786.12 is: 1,743,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,969.48 : 2,448,516.54 = 1,261,786.12 : x
  2. Step 2: Convert to fraction form
    1,771,969.48/2,448,516.54 = 1,261,786.12/x
  3. Step 3: Cross multiply
    1,771,969.48x = 2,448,516.54 × 1,261,786.12
  4. Step 4: Simplify right side
    1,771,969.48x = 3,089,504,184,762.43
  5. Step 5: Solve for x
    x = 3,089,504,184,762.43/1,771,969.48
  6. Step 6: Final answer
    x = 1,743,542.55

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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.