Home / 815,668.68-1,223,627.51-416,091.47

Finding the Fourth Proportional to 815,668.68, 1,223,627.51 and 416,091.47

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Solution

The fourth proportional to 815,668.68, 1,223,627.51 and 416,091.47 is: 624,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,668.68 : 1,223,627.51 = 416,091.47 : x
  2. Step 2: Convert to fraction form
    815,668.68/1,223,627.51 = 416,091.47/x
  3. Step 3: Cross multiply
    815,668.68x = 1,223,627.51 × 416,091.47
  4. Step 4: Simplify right side
    815,668.68x = 509,140,964,290.43
  5. Step 5: Solve for x
    x = 509,140,964,290.43/815,668.68
  6. Step 6: Final answer
    x = 624,200.70

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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.