Home / 1,719,408.20-2,579,112.30-869,102.60

Finding the Fourth Proportional to 1,719,408.20, 2,579,112.30 and 869,102.60

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Solution

The fourth proportional to 1,719,408.20, 2,579,112.30 and 869,102.60 is: 1,303,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,408.20 : 2,579,112.30 = 869,102.60 : x
  2. Step 2: Convert to fraction form
    1,719,408.20/2,579,112.30 = 869,102.60/x
  3. Step 3: Cross multiply
    1,719,408.20x = 2,579,112.30 × 869,102.60
  4. Step 4: Simplify right side
    1,719,408.20x = 2,241,513,205,621.98
  5. Step 5: Solve for x
    x = 2,241,513,205,621.98/1,719,408.20
  6. Step 6: Final answer
    x = 1,303,653.90

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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.