Home / 941,245.21-1,298,928.52-511,525.43

Finding the Fourth Proportional to 941,245.21, 1,298,928.52 and 511,525.43

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Solution

The fourth proportional to 941,245.21, 1,298,928.52 and 511,525.43 is: 705,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,245.21 : 1,298,928.52 = 511,525.43 : x
  2. Step 2: Convert to fraction form
    941,245.21/1,298,928.52 = 511,525.43/x
  3. Step 3: Cross multiply
    941,245.21x = 1,298,928.52 × 511,525.43
  4. Step 4: Simplify right side
    941,245.21x = 664,434,969,732.26
  5. Step 5: Solve for x
    x = 664,434,969,732.26/941,245.21
  6. Step 6: Final answer
    x = 705,910.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.