Home / 1,080,762.21-1,621,171.11-512,010.09

Finding the Fourth Proportional to 1,080,762.21, 1,621,171.11 and 512,010.09

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Solution

The fourth proportional to 1,080,762.21, 1,621,171.11 and 512,010.09 is: 768,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,762.21 : 1,621,171.11 = 512,010.09 : x
  2. Step 2: Convert to fraction form
    1,080,762.21/1,621,171.11 = 512,010.09/x
  3. Step 3: Cross multiply
    1,080,762.21x = 1,621,171.11 × 512,010.09
  4. Step 4: Simplify right side
    1,080,762.21x = 830,055,965,936.50
  5. Step 5: Solve for x
    x = 830,055,965,936.50/1,080,762.21
  6. Step 6: Final answer
    x = 768,028.30

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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.