Home / 456,771.09-685,353.60-190,584.03

Finding the Fourth Proportional to 456,771.09, 685,353.60 and 190,584.03

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Solution

The fourth proportional to 456,771.09, 685,353.60 and 190,584.03 is: 285,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,771.09 : 685,353.60 = 190,584.03 : x
  2. Step 2: Convert to fraction form
    456,771.09/685,353.60 = 190,584.03/x
  3. Step 3: Cross multiply
    456,771.09x = 685,353.60 × 190,584.03
  4. Step 4: Simplify right side
    456,771.09x = 130,617,451,063.01
  5. Step 5: Solve for x
    x = 130,617,451,063.01/456,771.09
  6. Step 6: Final answer
    x = 285,958.23

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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.