Home / 1,257,790.25-1,886,980.62-416,342

Finding the Fourth Proportional to 1,257,790.25, 1,886,980.62 and 416,342

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Solution

The fourth proportional to 1,257,790.25, 1,886,980.62 and 416,342 is: 624,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,790.25 : 1,886,980.62 = 416,342 : x
  2. Step 2: Convert to fraction form
    1,257,790.25/1,886,980.62 = 416,342/x
  3. Step 3: Cross multiply
    1,257,790.25x = 1,886,980.62 × 416,342
  4. Step 4: Simplify right side
    1,257,790.25x = 785,629,285,292.04
  5. Step 5: Solve for x
    x = 785,629,285,292.04/1,257,790.25
  6. Step 6: Final answer
    x = 624,610.73

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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.