Home / 1,969,550.80-2,953,143.60-770,042.86

Finding the Fourth Proportional to 1,969,550.80, 2,953,143.60 and 770,042.86

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Solution

The fourth proportional to 1,969,550.80, 2,953,143.60 and 770,042.86 is: 1,154,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,550.80 : 2,953,143.60 = 770,042.86 : x
  2. Step 2: Convert to fraction form
    1,969,550.80/2,953,143.60 = 770,042.86/x
  3. Step 3: Cross multiply
    1,969,550.80x = 2,953,143.60 × 770,042.86
  4. Step 4: Simplify right side
    1,969,550.80x = 2,274,047,143,734.70
  5. Step 5: Solve for x
    x = 2,274,047,143,734.70/1,969,550.80
  6. Step 6: Final answer
    x = 1,154,601.92

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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.