Home / 936,863.06-1,405,084.44-430,938.18

Finding the Fourth Proportional to 936,863.06, 1,405,084.44 and 430,938.18

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Solution

The fourth proportional to 936,863.06, 1,405,084.44 and 430,938.18 is: 646,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,863.06 : 1,405,084.44 = 430,938.18 : x
  2. Step 2: Convert to fraction form
    936,863.06/1,405,084.44 = 430,938.18/x
  3. Step 3: Cross multiply
    936,863.06x = 1,405,084.44 × 430,938.18
  4. Step 4: Simplify right side
    936,863.06x = 605,504,531,319.92
  5. Step 5: Solve for x
    x = 605,504,531,319.92/936,863.06
  6. Step 6: Final answer
    x = 646,310.61

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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.