Home / 1,386,023.05-2,079,034.58-851,811.85

Finding the Fourth Proportional to 1,386,023.05, 2,079,034.58 and 851,811.85

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Solution

The fourth proportional to 1,386,023.05, 2,079,034.58 and 851,811.85 is: 1,277,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,023.05 : 2,079,034.58 = 851,811.85 : x
  2. Step 2: Convert to fraction form
    1,386,023.05/2,079,034.58 = 851,811.85/x
  3. Step 3: Cross multiply
    1,386,023.05x = 2,079,034.58 × 851,811.85
  4. Step 4: Simplify right side
    1,386,023.05x = 1,770,946,287,544.71
  5. Step 5: Solve for x
    x = 1,770,946,287,544.71/1,386,023.05
  6. Step 6: Final answer
    x = 1,277,717.78

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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.