Home / 1,077,581.20-1,616,566.20-543,758.80

Finding the Fourth Proportional to 1,077,581.20, 1,616,566.20 and 543,758.80

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Solution

The fourth proportional to 1,077,581.20, 1,616,566.20 and 543,758.80 is: 815,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,581.20 : 1,616,566.20 = 543,758.80 : x
  2. Step 2: Convert to fraction form
    1,077,581.20/1,616,566.20 = 543,758.80/x
  3. Step 3: Cross multiply
    1,077,581.20x = 1,616,566.20 × 543,758.80
  4. Step 4: Simplify right side
    1,077,581.20x = 879,022,097,032.56
  5. Step 5: Solve for x
    x = 879,022,097,032.56/1,077,581.20
  6. Step 6: Final answer
    x = 815,736.30

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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.