Home / 2,895,054.85-4,342,619.23-765,120.56

Finding the Fourth Proportional to 2,895,054.85, 4,342,619.23 and 765,120.56

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Solution

The fourth proportional to 2,895,054.85, 4,342,619.23 and 765,120.56 is: 1,147,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,054.85 : 4,342,619.23 = 765,120.56 : x
  2. Step 2: Convert to fraction form
    2,895,054.85/4,342,619.23 = 765,120.56/x
  3. Step 3: Cross multiply
    2,895,054.85x = 4,342,619.23 × 765,120.56
  4. Step 4: Simplify right side
    2,895,054.85x = 3,322,627,267,980.92
  5. Step 5: Solve for x
    x = 3,322,627,267,980.92/2,895,054.85
  6. Step 6: Final answer
    x = 1,147,690.61

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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.