Home / 764,448.41-1,054,912.23-492,527.77

Finding the Fourth Proportional to 764,448.41, 1,054,912.23 and 492,527.77

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Solution

The fourth proportional to 764,448.41, 1,054,912.23 and 492,527.77 is: 679,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,448.41 : 1,054,912.23 = 492,527.77 : x
  2. Step 2: Convert to fraction form
    764,448.41/1,054,912.23 = 492,527.77/x
  3. Step 3: Cross multiply
    764,448.41x = 1,054,912.23 × 492,527.77
  4. Step 4: Simplify right side
    764,448.41x = 519,573,568,187.63
  5. Step 5: Solve for x
    x = 519,573,568,187.63/764,448.41
  6. Step 6: Final answer
    x = 679,671.20

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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.