Home / 1,401,033.78-1,933,474.05-828,564.66

Finding the Fourth Proportional to 1,401,033.78, 1,933,474.05 and 828,564.66

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Solution

The fourth proportional to 1,401,033.78, 1,933,474.05 and 828,564.66 is: 1,143,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,033.78 : 1,933,474.05 = 828,564.66 : x
  2. Step 2: Convert to fraction form
    1,401,033.78/1,933,474.05 = 828,564.66/x
  3. Step 3: Cross multiply
    1,401,033.78x = 1,933,474.05 × 828,564.66
  4. Step 4: Simplify right side
    1,401,033.78x = 1,602,008,268,857.07
  5. Step 5: Solve for x
    x = 1,602,008,268,857.07/1,401,033.78
  6. Step 6: Final answer
    x = 1,143,447.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.