Home / 1,135,464.87-1,566,921.78-619,222.76

Finding the Fourth Proportional to 1,135,464.87, 1,566,921.78 and 619,222.76

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Solution

The fourth proportional to 1,135,464.87, 1,566,921.78 and 619,222.76 is: 854,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,464.87 : 1,566,921.78 = 619,222.76 : x
  2. Step 2: Convert to fraction form
    1,135,464.87/1,566,921.78 = 619,222.76/x
  3. Step 3: Cross multiply
    1,135,464.87x = 1,566,921.78 × 619,222.76
  4. Step 4: Simplify right side
    1,135,464.87x = 970,273,629,315.71
  5. Step 5: Solve for x
    x = 970,273,629,315.71/1,135,464.87
  6. Step 6: Final answer
    x = 854,516.64

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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.