Home / 1,228,693.22-1,695,604.51-684,863.49

Finding the Fourth Proportional to 1,228,693.22, 1,695,604.51 and 684,863.49

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Solution

The fourth proportional to 1,228,693.22, 1,695,604.51 and 684,863.49 is: 945,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,693.22 : 1,695,604.51 = 684,863.49 : x
  2. Step 2: Convert to fraction form
    1,228,693.22/1,695,604.51 = 684,863.49/x
  3. Step 3: Cross multiply
    1,228,693.22x = 1,695,604.51 × 684,863.49
  4. Step 4: Simplify right side
    1,228,693.22x = 1,161,257,622,378.34
  5. Step 5: Solve for x
    x = 1,161,257,622,378.34/1,228,693.22
  6. Step 6: Final answer
    x = 945,116.00

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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.