Home / 1,028,536.20-1,419,616.04-684,386.37

Finding the Fourth Proportional to 1,028,536.20, 1,419,616.04 and 684,386.37

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Solution

The fourth proportional to 1,028,536.20, 1,419,616.04 and 684,386.37 is: 944,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,536.20 : 1,419,616.04 = 684,386.37 : x
  2. Step 2: Convert to fraction form
    1,028,536.20/1,419,616.04 = 684,386.37/x
  3. Step 3: Cross multiply
    1,028,536.20x = 1,419,616.04 × 684,386.37
  4. Step 4: Simplify right side
    1,028,536.20x = 971,565,863,022.26
  5. Step 5: Solve for x
    x = 971,565,863,022.26/1,028,536.20
  6. Step 6: Final answer
    x = 944,610.28

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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.