Home / 764,733.22-1,055,325.45-425,198.50

Finding the Fourth Proportional to 764,733.22, 1,055,325.45 and 425,198.50

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Solution

The fourth proportional to 764,733.22, 1,055,325.45 and 425,198.50 is: 586,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,733.22 : 1,055,325.45 = 425,198.50 : x
  2. Step 2: Convert to fraction form
    764,733.22/1,055,325.45 = 425,198.50/x
  3. Step 3: Cross multiply
    764,733.22x = 1,055,325.45 × 425,198.50
  4. Step 4: Simplify right side
    764,733.22x = 448,722,798,351.83
  5. Step 5: Solve for x
    x = 448,722,798,351.83/764,733.22
  6. Step 6: Final answer
    x = 586,770.38

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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.