Home / 2,235,643.20-3,353,205.60-638,452.80

Finding the Fourth Proportional to 2,235,643.20, 3,353,205.60 and 638,452.80

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Solution

The fourth proportional to 2,235,643.20, 3,353,205.60 and 638,452.80 is: 957,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,643.20 : 3,353,205.60 = 638,452.80 : x
  2. Step 2: Convert to fraction form
    2,235,643.20/3,353,205.60 = 638,452.80/x
  3. Step 3: Cross multiply
    2,235,643.20x = 3,353,205.60 × 638,452.80
  4. Step 4: Simplify right side
    2,235,643.20x = 2,140,863,504,295.68
  5. Step 5: Solve for x
    x = 2,140,863,504,295.68/2,235,643.20
  6. Step 6: Final answer
    x = 957,605.18

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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.