Home / 1,089,097.60-1,633,646.40-809,161.60

Finding the Fourth Proportional to 1,089,097.60, 1,633,646.40 and 809,161.60

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Solution

The fourth proportional to 1,089,097.60, 1,633,646.40 and 809,161.60 is: 1,213,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,097.60 : 1,633,646.40 = 809,161.60 : x
  2. Step 2: Convert to fraction form
    1,089,097.60/1,633,646.40 = 809,161.60/x
  3. Step 3: Cross multiply
    1,089,097.60x = 1,633,646.40 × 809,161.60
  4. Step 4: Simplify right side
    1,089,097.60x = 1,321,883,934,858.24
  5. Step 5: Solve for x
    x = 1,321,883,934,858.24/1,089,097.60
  6. Step 6: Final answer
    x = 1,213,742.40

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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.