Home / 412,525.25-618,788.37-113,008.40

Finding the Fourth Proportional to 412,525.25, 618,788.37 and 113,008.40

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Solution

The fourth proportional to 412,525.25, 618,788.37 and 113,008.40 is: 169,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,525.25 : 618,788.37 = 113,008.40 : x
  2. Step 2: Convert to fraction form
    412,525.25/618,788.37 = 113,008.40/x
  3. Step 3: Cross multiply
    412,525.25x = 618,788.37 × 113,008.40
  4. Step 4: Simplify right side
    412,525.25x = 69,928,280,538.37
  5. Step 5: Solve for x
    x = 69,928,280,538.37/412,525.25
  6. Step 6: Final answer
    x = 169,512.73

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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.