Home / 789,592.56-1,089,634.60-427,016.82

Finding the Fourth Proportional to 789,592.56, 1,089,634.60 and 427,016.82

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Solution

The fourth proportional to 789,592.56, 1,089,634.60 and 427,016.82 is: 589,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,592.56 : 1,089,634.60 = 427,016.82 : x
  2. Step 2: Convert to fraction form
    789,592.56/1,089,634.60 = 427,016.82/x
  3. Step 3: Cross multiply
    789,592.56x = 1,089,634.60 × 427,016.82
  4. Step 4: Simplify right side
    789,592.56x = 465,292,301,853.97
  5. Step 5: Solve for x
    x = 465,292,301,853.97/789,592.56
  6. Step 6: Final answer
    x = 589,281.52

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1.5x scale

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.