Home / 862,396.71-1,181,487.72-830,074.05

Finding the Fourth Proportional to 862,396.71, 1,181,487.72 and 830,074.05

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Solution

The fourth proportional to 862,396.71, 1,181,487.72 and 830,074.05 is: 1,137,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,396.71 : 1,181,487.72 = 830,074.05 : x
  2. Step 2: Convert to fraction form
    862,396.71/1,181,487.72 = 830,074.05/x
  3. Step 3: Cross multiply
    862,396.71x = 1,181,487.72 × 830,074.05
  4. Step 4: Simplify right side
    862,396.71x = 980,722,298,083.47
  5. Step 5: Solve for x
    x = 980,722,298,083.47/862,396.71
  6. Step 6: Final answer
    x = 1,137,205.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.