Home / 1,181,511.80-1,771,611.60-470,736.80

Finding the Fourth Proportional to 1,181,511.80, 1,771,611.60 and 470,736.80

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Solution

The fourth proportional to 1,181,511.80, 1,771,611.60 and 470,736.80 is: 705,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,511.80 : 1,771,611.60 = 470,736.80 : x
  2. Step 2: Convert to fraction form
    1,181,511.80/1,771,611.60 = 470,736.80/x
  3. Step 3: Cross multiply
    1,181,511.80x = 1,771,611.60 × 470,736.80
  4. Step 4: Simplify right side
    1,181,511.80x = 833,962,775,426.88
  5. Step 5: Solve for x
    x = 833,962,775,426.88/1,181,511.80
  6. Step 6: Final answer
    x = 705,843.80

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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.