Home / 866,111.90-1,297,612.65-741,695.90

Finding the Fourth Proportional to 866,111.90, 1,297,612.65 and 741,695.90

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Solution

The fourth proportional to 866,111.90, 1,297,612.65 and 741,695.90 is: 1,111,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,111.90 : 1,297,612.65 = 741,695.90 : x
  2. Step 2: Convert to fraction form
    866,111.90/1,297,612.65 = 741,695.90/x
  3. Step 3: Cross multiply
    866,111.90x = 1,297,612.65 × 741,695.90
  4. Step 4: Simplify right side
    866,111.90x = 962,433,982,293.14
  5. Step 5: Solve for x
    x = 962,433,982,293.14/866,111.90
  6. Step 6: Final answer
    x = 1,111,212.05

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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.