Home / 1,886,684.38-2,830,469.43-624,512

Finding the Fourth Proportional to 1,886,684.38, 2,830,469.43 and 624,512

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Solution

The fourth proportional to 1,886,684.38, 2,830,469.43 and 624,512 is: 936,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,684.38 : 2,830,469.43 = 624,512 : x
  2. Step 2: Convert to fraction form
    1,886,684.38/2,830,469.43 = 624,512/x
  3. Step 3: Cross multiply
    1,886,684.38x = 2,830,469.43 × 624,512
  4. Step 4: Simplify right side
    1,886,684.38x = 1,767,662,124,668.16
  5. Step 5: Solve for x
    x = 1,767,662,124,668.16/1,886,684.38
  6. Step 6: Final answer
    x = 936,914.59

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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.