Home / 936,863.04-1,405,084.42-430,938.16

Finding the Fourth Proportional to 936,863.04, 1,405,084.42 and 430,938.16

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Solution

The fourth proportional to 936,863.04, 1,405,084.42 and 430,938.16 is: 646,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,863.04 : 1,405,084.42 = 430,938.16 : x
  2. Step 2: Convert to fraction form
    936,863.04/1,405,084.42 = 430,938.16/x
  3. Step 3: Cross multiply
    936,863.04x = 1,405,084.42 × 430,938.16
  4. Step 4: Simplify right side
    936,863.04x = 605,504,494,599.47
  5. Step 5: Solve for x
    x = 605,504,494,599.47/936,863.04
  6. Step 6: Final answer
    x = 646,310.58

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Double scale
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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.