Home / 1,208,845.20-1,811,080.80-957,777.60

Finding the Fourth Proportional to 1,208,845.20, 1,811,080.80 and 957,777.60

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Solution

The fourth proportional to 1,208,845.20, 1,811,080.80 and 957,777.60 is: 1,434,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,845.20 : 1,811,080.80 = 957,777.60 : x
  2. Step 2: Convert to fraction form
    1,208,845.20/1,811,080.80 = 957,777.60/x
  3. Step 3: Cross multiply
    1,208,845.20x = 1,811,080.80 × 957,777.60
  4. Step 4: Simplify right side
    1,208,845.20x = 1,734,612,622,030.08
  5. Step 5: Solve for x
    x = 1,734,612,622,030.08/1,208,845.20
  6. Step 6: Final answer
    x = 1,434,933.62

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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.