Home / 1,369,226.56-2,053,087.84-422,334.40

Finding the Fourth Proportional to 1,369,226.56, 2,053,087.84 and 422,334.40

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Solution

The fourth proportional to 1,369,226.56, 2,053,087.84 and 422,334.40 is: 633,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,226.56 : 2,053,087.84 = 422,334.40 : x
  2. Step 2: Convert to fraction form
    1,369,226.56/2,053,087.84 = 422,334.40/x
  3. Step 3: Cross multiply
    1,369,226.56x = 2,053,087.84 × 422,334.40
  4. Step 4: Simplify right side
    1,369,226.56x = 867,089,621,053.70
  5. Step 5: Solve for x
    x = 867,089,621,053.70/1,369,226.56
  6. Step 6: Final answer
    x = 633,269.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.