Home / 1,968,665.38-2,953,244.31-770,432.92

Finding the Fourth Proportional to 1,968,665.38, 2,953,244.31 and 770,432.92

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Solution

The fourth proportional to 1,968,665.38, 2,953,244.31 and 770,432.92 is: 1,155,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,665.38 : 2,953,244.31 = 770,432.92 : x
  2. Step 2: Convert to fraction form
    1,968,665.38/2,953,244.31 = 770,432.92/x
  3. Step 3: Cross multiply
    1,968,665.38x = 2,953,244.31 × 770,432.92
  4. Step 4: Simplify right side
    1,968,665.38x = 2,275,276,637,226.69
  5. Step 5: Solve for x
    x = 2,275,276,637,226.69/1,968,665.38
  6. Step 6: Final answer
    x = 1,155,745.75

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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.