Home / 1,477,030.87-2,215,919.99-412,072.17

Finding the Fourth Proportional to 1,477,030.87, 2,215,919.99 and 412,072.17

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Solution

The fourth proportional to 1,477,030.87, 2,215,919.99 and 412,072.17 is: 618,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,030.87 : 2,215,919.99 = 412,072.17 : x
  2. Step 2: Convert to fraction form
    1,477,030.87/2,215,919.99 = 412,072.17/x
  3. Step 3: Cross multiply
    1,477,030.87x = 2,215,919.99 × 412,072.17
  4. Step 4: Simplify right side
    1,477,030.87x = 913,118,958,825.68
  5. Step 5: Solve for x
    x = 913,118,958,825.68/1,477,030.87
  6. Step 6: Final answer
    x = 618,212.51

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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.