Home / 1,103,620.76-1,523,412.82-644,884.41

Finding the Fourth Proportional to 1,103,620.76, 1,523,412.82 and 644,884.41

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Solution

The fourth proportional to 1,103,620.76, 1,523,412.82 and 644,884.41 is: 890,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,620.76 : 1,523,412.82 = 644,884.41 : x
  2. Step 2: Convert to fraction form
    1,103,620.76/1,523,412.82 = 644,884.41/x
  3. Step 3: Cross multiply
    1,103,620.76x = 1,523,412.82 × 644,884.41
  4. Step 4: Simplify right side
    1,103,620.76x = 982,425,177,612.14
  5. Step 5: Solve for x
    x = 982,425,177,612.14/1,103,620.76
  6. Step 6: Final answer
    x = 890,183.67

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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.