Home / 607,913.20-911,783.40-187,231.60

Finding the Fourth Proportional to 607,913.20, 911,783.40 and 187,231.60

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Solution

The fourth proportional to 607,913.20, 911,783.40 and 187,231.60 is: 280,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,913.20 : 911,783.40 = 187,231.60 : x
  2. Step 2: Convert to fraction form
    607,913.20/911,783.40 = 187,231.60/x
  3. Step 3: Cross multiply
    607,913.20x = 911,783.40 × 187,231.60
  4. Step 4: Simplify right side
    607,913.20x = 170,714,664,835.44
  5. Step 5: Solve for x
    x = 170,714,664,835.44/607,913.20
  6. Step 6: Final answer
    x = 280,820.79

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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.