Home / 734,456.40-1,100,820.60-419,211.60

Finding the Fourth Proportional to 734,456.40, 1,100,820.60 and 419,211.60

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Solution

The fourth proportional to 734,456.40, 1,100,820.60 and 419,211.60 is: 628,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,456.40 : 1,100,820.60 = 419,211.60 : x
  2. Step 2: Convert to fraction form
    734,456.40/1,100,820.60 = 419,211.60/x
  3. Step 3: Cross multiply
    734,456.40x = 1,100,820.60 × 419,211.60
  4. Step 4: Simplify right side
    734,456.40x = 461,476,765,038.96
  5. Step 5: Solve for x
    x = 461,476,765,038.96/734,456.40
  6. Step 6: Final answer
    x = 628,324.25

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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.