Home / 836,969.16-1,255,442.40-205,888.44

Finding the Fourth Proportional to 836,969.16, 1,255,442.40 and 205,888.44

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Solution

The fourth proportional to 836,969.16, 1,255,442.40 and 205,888.44 is: 308,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,969.16 : 1,255,442.40 = 205,888.44 : x
  2. Step 2: Convert to fraction form
    836,969.16/1,255,442.40 = 205,888.44/x
  3. Step 3: Cross multiply
    836,969.16x = 1,255,442.40 × 205,888.44
  4. Step 4: Simplify right side
    836,969.16x = 258,481,077,245.86
  5. Step 5: Solve for x
    x = 258,481,077,245.86/836,969.16
  6. Step 6: Final answer
    x = 308,829.87

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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.