Home / 4,293,400.80-6,440,101.20-3,222,645.60

Finding the Fourth Proportional to 4,293,400.80, 6,440,101.20 and 3,222,645.60

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Solution

The fourth proportional to 4,293,400.80, 6,440,101.20 and 3,222,645.60 is: 4,833,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293,400.80 : 6,440,101.20 = 3,222,645.60 : x
  2. Step 2: Convert to fraction form
    4,293,400.80/6,440,101.20 = 3,222,645.60/x
  3. Step 3: Cross multiply
    4,293,400.80x = 6,440,101.20 × 3,222,645.60
  4. Step 4: Simplify right side
    4,293,400.80x = 20,754,163,795,734.72
  5. Step 5: Solve for x
    x = 20,754,163,795,734.72/4,293,400.80
  6. Step 6: Final answer
    x = 4,833,968.40

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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.