Home / 926,297.28-1,388,745.12-294,847.20

Finding the Fourth Proportional to 926,297.28, 1,388,745.12 and 294,847.20

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Solution

The fourth proportional to 926,297.28, 1,388,745.12 and 294,847.20 is: 442,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,297.28 : 1,388,745.12 = 294,847.20 : x
  2. Step 2: Convert to fraction form
    926,297.28/1,388,745.12 = 294,847.20/x
  3. Step 3: Cross multiply
    926,297.28x = 1,388,745.12 × 294,847.20
  4. Step 4: Simplify right side
    926,297.28x = 409,467,610,145.66
  5. Step 5: Solve for x
    x = 409,467,610,145.66/926,297.28
  6. Step 6: Final answer
    x = 442,047.73

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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.