Home / 1,225,939.83-1,691,764.70-682,076.67

Finding the Fourth Proportional to 1,225,939.83, 1,691,764.70 and 682,076.67

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Solution

The fourth proportional to 1,225,939.83, 1,691,764.70 and 682,076.67 is: 941,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,939.83 : 1,691,764.70 = 682,076.67 : x
  2. Step 2: Convert to fraction form
    1,225,939.83/1,691,764.70 = 682,076.67/x
  3. Step 3: Cross multiply
    1,225,939.83x = 1,691,764.70 × 682,076.67
  4. Step 4: Simplify right side
    1,225,939.83x = 1,153,913,229,589.17
  5. Step 5: Solve for x
    x = 1,153,913,229,589.17/1,225,939.83
  6. Step 6: Final answer
    x = 941,247.85

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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.