Home / 1,775,991.20-2,662,237.20-877,571.60

Finding the Fourth Proportional to 1,775,991.20, 2,662,237.20 and 877,571.60

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Solution

The fourth proportional to 1,775,991.20, 2,662,237.20 and 877,571.60 is: 1,315,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,991.20 : 2,662,237.20 = 877,571.60 : x
  2. Step 2: Convert to fraction form
    1,775,991.20/2,662,237.20 = 877,571.60/x
  3. Step 3: Cross multiply
    1,775,991.20x = 2,662,237.20 × 877,571.60
  4. Step 4: Simplify right side
    1,775,991.20x = 2,336,303,759,183.52
  5. Step 5: Solve for x
    x = 2,336,303,759,183.52/1,775,991.20
  6. Step 6: Final answer
    x = 1,315,492.87

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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.