Home / 836,852.88-1,255,268.40-205,772.16

Finding the Fourth Proportional to 836,852.88, 1,255,268.40 and 205,772.16

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Solution

The fourth proportional to 836,852.88, 1,255,268.40 and 205,772.16 is: 308,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,852.88 : 1,255,268.40 = 205,772.16 : x
  2. Step 2: Convert to fraction form
    836,852.88/1,255,268.40 = 205,772.16/x
  3. Step 3: Cross multiply
    836,852.88x = 1,255,268.40 × 205,772.16
  4. Step 4: Simplify right side
    836,852.88x = 258,299,290,047.74
  5. Step 5: Solve for x
    x = 258,299,290,047.74/836,852.88
  6. Step 6: Final answer
    x = 308,655.55

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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.