Home / 685,584.41-1,028,365.67-186,948.41

Finding the Fourth Proportional to 685,584.41, 1,028,365.67 and 186,948.41

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Solution

The fourth proportional to 685,584.41, 1,028,365.67 and 186,948.41 is: 280,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,584.41 : 1,028,365.67 = 186,948.41 : x
  2. Step 2: Convert to fraction form
    685,584.41/1,028,365.67 = 186,948.41/x
  3. Step 3: Cross multiply
    685,584.41x = 1,028,365.67 × 186,948.41
  4. Step 4: Simplify right side
    685,584.41x = 192,251,322,230.63
  5. Step 5: Solve for x
    x = 192,251,322,230.63/685,584.41
  6. Step 6: Final answer
    x = 280,419.63

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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.