Home / 446,930.46-670,394.07-180,687.78

Finding the Fourth Proportional to 446,930.46, 670,394.07 and 180,687.78

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Solution

The fourth proportional to 446,930.46, 670,394.07 and 180,687.78 is: 271,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,930.46 : 670,394.07 = 180,687.78 : x
  2. Step 2: Convert to fraction form
    446,930.46/670,394.07 = 180,687.78/x
  3. Step 3: Cross multiply
    446,930.46x = 670,394.07 × 180,687.78
  4. Step 4: Simplify right side
    446,930.46x = 121,132,016,233.47
  5. Step 5: Solve for x
    x = 121,132,016,233.47/446,930.46
  6. Step 6: Final answer
    x = 271,031.02

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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.