Home / 1,326,232.36-1,989,736.73-427,656.03

Finding the Fourth Proportional to 1,326,232.36, 1,989,736.73 and 427,656.03

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Solution

The fourth proportional to 1,326,232.36, 1,989,736.73 and 427,656.03 is: 641,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,232.36 : 1,989,736.73 = 427,656.03 : x
  2. Step 2: Convert to fraction form
    1,326,232.36/1,989,736.73 = 427,656.03/x
  3. Step 3: Cross multiply
    1,326,232.36x = 1,989,736.73 × 427,656.03
  4. Step 4: Simplify right side
    1,326,232.36x = 850,922,910,696.98
  5. Step 5: Solve for x
    x = 850,922,910,696.98/1,326,232.36
  6. Step 6: Final answer
    x = 641,609.22

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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.