Home / 933,121.60-1,399,682.40-259,201.60

Finding the Fourth Proportional to 933,121.60, 1,399,682.40 and 259,201.60

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Solution

The fourth proportional to 933,121.60, 1,399,682.40 and 259,201.60 is: 388,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,121.60 : 1,399,682.40 = 259,201.60 : x
  2. Step 2: Convert to fraction form
    933,121.60/1,399,682.40 = 259,201.60/x
  3. Step 3: Cross multiply
    933,121.60x = 1,399,682.40 × 259,201.60
  4. Step 4: Simplify right side
    933,121.60x = 362,799,917,571.84
  5. Step 5: Solve for x
    x = 362,799,917,571.84/933,121.60
  6. Step 6: Final answer
    x = 388,802.40

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Double scale
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Similar ratio
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1.5x scale

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.