Home / 1,192,555.86-1,645,735.76-648,696.34

Finding the Fourth Proportional to 1,192,555.86, 1,645,735.76 and 648,696.34

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Solution

The fourth proportional to 1,192,555.86, 1,645,735.76 and 648,696.34 is: 895,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,555.86 : 1,645,735.76 = 648,696.34 : x
  2. Step 2: Convert to fraction form
    1,192,555.86/1,645,735.76 = 648,696.34/x
  3. Step 3: Cross multiply
    1,192,555.86x = 1,645,735.76 × 648,696.34
  4. Step 4: Simplify right side
    1,192,555.86x = 1,067,582,764,119.12
  5. Step 5: Solve for x
    x = 1,067,582,764,119.12/1,192,555.86
  6. Step 6: Final answer
    x = 895,205.67

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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.