Home / 1,866,067.77-2,798,947.66-518,262.05

Finding the Fourth Proportional to 1,866,067.77, 2,798,947.66 and 518,262.05

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Solution

The fourth proportional to 1,866,067.77, 2,798,947.66 and 518,262.05 is: 777,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,067.77 : 2,798,947.66 = 518,262.05 : x
  2. Step 2: Convert to fraction form
    1,866,067.77/2,798,947.66 = 518,262.05/x
  3. Step 3: Cross multiply
    1,866,067.77x = 2,798,947.66 × 518,262.05
  4. Step 4: Simplify right side
    1,866,067.77x = 1,450,588,343,043.68
  5. Step 5: Solve for x
    x = 1,450,588,343,043.68/1,866,067.77
  6. Step 6: Final answer
    x = 777,350.30

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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.