Home / 1,909,085.60-2,863,563.60-489,155.60

Finding the Fourth Proportional to 1,909,085.60, 2,863,563.60 and 489,155.60

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Solution

The fourth proportional to 1,909,085.60, 2,863,563.60 and 489,155.60 is: 733,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,085.60 : 2,863,563.60 = 489,155.60 : x
  2. Step 2: Convert to fraction form
    1,909,085.60/2,863,563.60 = 489,155.60/x
  3. Step 3: Cross multiply
    1,909,085.60x = 2,863,563.60 × 489,155.60
  4. Step 4: Simplify right side
    1,909,085.60x = 1,400,728,170,896.16
  5. Step 5: Solve for x
    x = 1,400,728,170,896.16/1,909,085.60
  6. Step 6: Final answer
    x = 733,716.80

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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.