Home / 1,294,594.44-1,786,503.09-721,622.31

Finding the Fourth Proportional to 1,294,594.44, 1,786,503.09 and 721,622.31

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Solution

The fourth proportional to 1,294,594.44, 1,786,503.09 and 721,622.31 is: 995,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,594.44 : 1,786,503.09 = 721,622.31 : x
  2. Step 2: Convert to fraction form
    1,294,594.44/1,786,503.09 = 721,622.31/x
  3. Step 3: Cross multiply
    1,294,594.44x = 1,786,503.09 × 721,622.31
  4. Step 4: Simplify right side
    1,294,594.44x = 1,289,180,486,627.94
  5. Step 5: Solve for x
    x = 1,289,180,486,627.94/1,294,594.44
  6. Step 6: Final answer
    x = 995,818.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.