Home / 1,388,192.80-2,082,289.20-441,659.20

Finding the Fourth Proportional to 1,388,192.80, 2,082,289.20 and 441,659.20

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Solution

The fourth proportional to 1,388,192.80, 2,082,289.20 and 441,659.20 is: 662,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,192.80 : 2,082,289.20 = 441,659.20 : x
  2. Step 2: Convert to fraction form
    1,388,192.80/2,082,289.20 = 441,659.20/x
  3. Step 3: Cross multiply
    1,388,192.80x = 2,082,289.20 × 441,659.20
  4. Step 4: Simplify right side
    1,388,192.80x = 919,662,182,240.64
  5. Step 5: Solve for x
    x = 919,662,182,240.64/1,388,192.80
  6. Step 6: Final answer
    x = 662,488.80

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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.