Home / 2,668,801.20-4,003,201.80-985,556.40

Finding the Fourth Proportional to 2,668,801.20, 4,003,201.80 and 985,556.40

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Solution

The fourth proportional to 2,668,801.20, 4,003,201.80 and 985,556.40 is: 1,478,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,801.20 : 4,003,201.80 = 985,556.40 : x
  2. Step 2: Convert to fraction form
    2,668,801.20/4,003,201.80 = 985,556.40/x
  3. Step 3: Cross multiply
    2,668,801.20x = 4,003,201.80 × 985,556.40
  4. Step 4: Simplify right side
    2,668,801.20x = 3,945,381,154,481.52
  5. Step 5: Solve for x
    x = 3,945,381,154,481.52/2,668,801.20
  6. Step 6: Final answer
    x = 1,478,334.60

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Similar ratio
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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.