Home / 1,167,816.18-1,611,311.22-708,919.59

Finding the Fourth Proportional to 1,167,816.18, 1,611,311.22 and 708,919.59

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Solution

The fourth proportional to 1,167,816.18, 1,611,311.22 and 708,919.59 is: 978,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,816.18 : 1,611,311.22 = 708,919.59 : x
  2. Step 2: Convert to fraction form
    1,167,816.18/1,611,311.22 = 708,919.59/x
  3. Step 3: Cross multiply
    1,167,816.18x = 1,611,311.22 × 708,919.59
  4. Step 4: Simplify right side
    1,167,816.18x = 1,142,290,089,444.80
  5. Step 5: Solve for x
    x = 1,142,290,089,444.80/1,167,816.18
  6. Step 6: Final answer
    x = 978,142.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.