Home / 2,065,129.56-3,097,226.55-785,280.75

Finding the Fourth Proportional to 2,065,129.56, 3,097,226.55 and 785,280.75

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Solution

The fourth proportional to 2,065,129.56, 3,097,226.55 and 785,280.75 is: 1,177,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,129.56 : 3,097,226.55 = 785,280.75 : x
  2. Step 2: Convert to fraction form
    2,065,129.56/3,097,226.55 = 785,280.75/x
  3. Step 3: Cross multiply
    2,065,129.56x = 3,097,226.55 × 785,280.75
  4. Step 4: Simplify right side
    2,065,129.56x = 2,432,192,388,103.91
  5. Step 5: Solve for x
    x = 2,432,192,388,103.91/2,065,129.56
  6. Step 6: Final answer
    x = 1,177,743.25

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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.