Home / 444,311.40-666,078.30-397,072.20

Finding the Fourth Proportional to 444,311.40, 666,078.30 and 397,072.20

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Solution

The fourth proportional to 444,311.40, 666,078.30 and 397,072.20 is: 595,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,311.40 : 666,078.30 = 397,072.20 : x
  2. Step 2: Convert to fraction form
    444,311.40/666,078.30 = 397,072.20/x
  3. Step 3: Cross multiply
    444,311.40x = 666,078.30 × 397,072.20
  4. Step 4: Simplify right side
    444,311.40x = 264,481,175,953.26
  5. Step 5: Solve for x
    x = 264,481,175,953.26/444,311.40
  6. Step 6: Final answer
    x = 595,260.84

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1.5x scale

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.