Home / 764,734.22-1,055,326.83-425,199.50

Finding the Fourth Proportional to 764,734.22, 1,055,326.83 and 425,199.50

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Solution

The fourth proportional to 764,734.22, 1,055,326.83 and 425,199.50 is: 586,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,734.22 : 1,055,326.83 = 425,199.50 : x
  2. Step 2: Convert to fraction form
    764,734.22/1,055,326.83 = 425,199.50/x
  3. Step 3: Cross multiply
    764,734.22x = 1,055,326.83 × 425,199.50
  4. Step 4: Simplify right side
    764,734.22x = 448,724,440,452.59
  5. Step 5: Solve for x
    x = 448,724,440,452.59/764,734.22
  6. Step 6: Final answer
    x = 586,771.76

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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.