Home / 764,074.80-1,054,361.49-441,805.77

Finding the Fourth Proportional to 764,074.80, 1,054,361.49 and 441,805.77

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Solution

The fourth proportional to 764,074.80, 1,054,361.49 and 441,805.77 is: 609,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,074.80 : 1,054,361.49 = 441,805.77 : x
  2. Step 2: Convert to fraction form
    764,074.80/1,054,361.49 = 441,805.77/x
  3. Step 3: Cross multiply
    764,074.80x = 1,054,361.49 × 441,805.77
  4. Step 4: Simplify right side
    764,074.80x = 465,822,989,947.80
  5. Step 5: Solve for x
    x = 465,822,989,947.80/764,074.80
  6. Step 6: Final answer
    x = 609,656.27

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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.