Home / 1,638,716.37-2,458,185.27-785,975.00

Finding the Fourth Proportional to 1,638,716.37, 2,458,185.27 and 785,975.00

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Solution

The fourth proportional to 1,638,716.37, 2,458,185.27 and 785,975.00 is: 1,179,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,716.37 : 2,458,185.27 = 785,975.00 : x
  2. Step 2: Convert to fraction form
    1,638,716.37/2,458,185.27 = 785,975.00/x
  3. Step 3: Cross multiply
    1,638,716.37x = 2,458,185.27 × 785,975.00
  4. Step 4: Simplify right side
    1,638,716.37x = 1,932,072,152,349.92
  5. Step 5: Solve for x
    x = 1,932,072,152,349.92/1,638,716.37
  6. Step 6: Final answer
    x = 1,179,015.60

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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.