Home / 619,056.60-928,847.58-338,245.80

Finding the Fourth Proportional to 619,056.60, 928,847.58 and 338,245.80

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Solution

The fourth proportional to 619,056.60, 928,847.58 and 338,245.80 is: 507,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,056.60 : 928,847.58 = 338,245.80 : x
  2. Step 2: Convert to fraction form
    619,056.60/928,847.58 = 338,245.80/x
  3. Step 3: Cross multiply
    619,056.60x = 928,847.58 × 338,245.80
  4. Step 4: Simplify right side
    619,056.60x = 314,178,792,775.16
  5. Step 5: Solve for x
    x = 314,178,792,775.16/619,056.60
  6. Step 6: Final answer
    x = 507,512.23

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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.