Home / 764,847.63-1,055,496.56-415,991.16

Finding the Fourth Proportional to 764,847.63, 1,055,496.56 and 415,991.16

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Solution

The fourth proportional to 764,847.63, 1,055,496.56 and 415,991.16 is: 574,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,847.63 : 1,055,496.56 = 415,991.16 : x
  2. Step 2: Convert to fraction form
    764,847.63/1,055,496.56 = 415,991.16/x
  3. Step 3: Cross multiply
    764,847.63x = 1,055,496.56 × 415,991.16
  4. Step 4: Simplify right side
    764,847.63x = 439,077,236,290.45
  5. Step 5: Solve for x
    x = 439,077,236,290.45/764,847.63
  6. Step 6: Final answer
    x = 574,071.51

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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.