Home / 671,112.61-1,006,826.56-221,833.49

Finding the Fourth Proportional to 671,112.61, 1,006,826.56 and 221,833.49

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Solution

The fourth proportional to 671,112.61, 1,006,826.56 and 221,833.49 is: 332,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,112.61 : 1,006,826.56 = 221,833.49 : x
  2. Step 2: Convert to fraction form
    671,112.61/1,006,826.56 = 221,833.49/x
  3. Step 3: Cross multiply
    671,112.61x = 1,006,826.56 × 221,833.49
  4. Step 4: Simplify right side
    671,112.61x = 223,347,844,040.78
  5. Step 5: Solve for x
    x = 223,347,844,040.78/671,112.61
  6. Step 6: Final answer
    x = 332,802.34

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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.