Home / 1,328,222.80-1,992,334.20-529,627.60

Finding the Fourth Proportional to 1,328,222.80, 1,992,334.20 and 529,627.60

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Solution

The fourth proportional to 1,328,222.80, 1,992,334.20 and 529,627.60 is: 794,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,222.80 : 1,992,334.20 = 529,627.60 : x
  2. Step 2: Convert to fraction form
    1,328,222.80/1,992,334.20 = 529,627.60/x
  3. Step 3: Cross multiply
    1,328,222.80x = 1,992,334.20 × 529,627.60
  4. Step 4: Simplify right side
    1,328,222.80x = 1,055,195,180,743.92
  5. Step 5: Solve for x
    x = 1,055,195,180,743.92/1,328,222.80
  6. Step 6: Final answer
    x = 794,441.40

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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.