Home / 1,221,315.87-1,829,524.37-622,252.83

Finding the Fourth Proportional to 1,221,315.87, 1,829,524.37 and 622,252.83

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Solution

The fourth proportional to 1,221,315.87, 1,829,524.37 and 622,252.83 is: 932,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,315.87 : 1,829,524.37 = 622,252.83 : x
  2. Step 2: Convert to fraction form
    1,221,315.87/1,829,524.37 = 622,252.83/x
  3. Step 3: Cross multiply
    1,221,315.87x = 1,829,524.37 × 622,252.83
  4. Step 4: Simplify right side
    1,221,315.87x = 1,138,426,713,675.20
  5. Step 5: Solve for x
    x = 1,138,426,713,675.20/1,221,315.87
  6. Step 6: Final answer
    x = 932,131.27

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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.