Home / 1,263,859.38-1,894,112.37-553,113.54

Finding the Fourth Proportional to 1,263,859.38, 1,894,112.37 and 553,113.54

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Solution

The fourth proportional to 1,263,859.38, 1,894,112.37 and 553,113.54 is: 828,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,859.38 : 1,894,112.37 = 553,113.54 : x
  2. Step 2: Convert to fraction form
    1,263,859.38/1,894,112.37 = 553,113.54/x
  3. Step 3: Cross multiply
    1,263,859.38x = 1,894,112.37 × 553,113.54
  4. Step 4: Simplify right side
    1,263,859.38x = 1,047,659,198,128.49
  5. Step 5: Solve for x
    x = 1,047,659,198,128.49/1,263,859.38
  6. Step 6: Final answer
    x = 828,936.52

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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.