Home / 734,462.40-1,100,829.60-419,217.60

Finding the Fourth Proportional to 734,462.40, 1,100,829.60 and 419,217.60

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Solution

The fourth proportional to 734,462.40, 1,100,829.60 and 419,217.60 is: 628,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,462.40 : 1,100,829.60 = 419,217.60 : x
  2. Step 2: Convert to fraction form
    734,462.40/1,100,829.60 = 419,217.60/x
  3. Step 3: Cross multiply
    734,462.40x = 1,100,829.60 × 419,217.60
  4. Step 4: Simplify right side
    734,462.40x = 461,487,142,920.96
  5. Step 5: Solve for x
    x = 461,487,142,920.96/734,462.40
  6. Step 6: Final answer
    x = 628,333.24

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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.