Home / 1,408,025.39-2,112,119.82-543,465.14

Finding the Fourth Proportional to 1,408,025.39, 2,112,119.82 and 543,465.14

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Solution

The fourth proportional to 1,408,025.39, 2,112,119.82 and 543,465.14 is: 815,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,025.39 : 2,112,119.82 = 543,465.14 : x
  2. Step 2: Convert to fraction form
    1,408,025.39/2,112,119.82 = 543,465.14/x
  3. Step 3: Cross multiply
    1,408,025.39x = 2,112,119.82 × 543,465.14
  4. Step 4: Simplify right side
    1,408,025.39x = 1,147,863,483,112.48
  5. Step 5: Solve for x
    x = 1,147,863,483,112.48/1,408,025.39
  6. Step 6: Final answer
    x = 815,229.25

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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.