Home / 4,190,709.60-6,286,064.40-1,198,893.60

Finding the Fourth Proportional to 4,190,709.60, 6,286,064.40 and 1,198,893.60

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Solution

The fourth proportional to 4,190,709.60, 6,286,064.40 and 1,198,893.60 is: 1,798,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,709.60 : 6,286,064.40 = 1,198,893.60 : x
  2. Step 2: Convert to fraction form
    4,190,709.60/6,286,064.40 = 1,198,893.60/x
  3. Step 3: Cross multiply
    4,190,709.60x = 6,286,064.40 × 1,198,893.60
  4. Step 4: Simplify right side
    4,190,709.60x = 7,536,322,378,347.84
  5. Step 5: Solve for x
    x = 7,536,322,378,347.84/4,190,709.60
  6. Step 6: Final answer
    x = 1,798,340.40

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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.