Home / 1,093,137.60-1,643,205.60-779,764.80

Finding the Fourth Proportional to 1,093,137.60, 1,643,205.60 and 779,764.80

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Solution

The fourth proportional to 1,093,137.60, 1,643,205.60 and 779,764.80 is: 1,172,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,137.60 : 1,643,205.60 = 779,764.80 : x
  2. Step 2: Convert to fraction form
    1,093,137.60/1,643,205.60 = 779,764.80/x
  3. Step 3: Cross multiply
    1,093,137.60x = 1,643,205.60 × 779,764.80
  4. Step 4: Simplify right side
    1,093,137.60x = 1,281,313,886,042.88
  5. Step 5: Solve for x
    x = 1,281,313,886,042.88/1,093,137.60
  6. Step 6: Final answer
    x = 1,172,143.27

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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.