Home / 1,080,802.78-1,621,287.87-361,146.98

Finding the Fourth Proportional to 1,080,802.78, 1,621,287.87 and 361,146.98

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Solution

The fourth proportional to 1,080,802.78, 1,621,287.87 and 361,146.98 is: 541,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,802.78 : 1,621,287.87 = 361,146.98 : x
  2. Step 2: Convert to fraction form
    1,080,802.78/1,621,287.87 = 361,146.98/x
  3. Step 3: Cross multiply
    1,080,802.78x = 1,621,287.87 × 361,146.98
  4. Step 4: Simplify right side
    1,080,802.78x = 585,523,222,014.35
  5. Step 5: Solve for x
    x = 585,523,222,014.35/1,080,802.78
  6. Step 6: Final answer
    x = 541,748.44

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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.