Home / 451,688.21-677,418.89-185,522.21

Finding the Fourth Proportional to 451,688.21, 677,418.89 and 185,522.21

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Solution

The fourth proportional to 451,688.21, 677,418.89 and 185,522.21 is: 278,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,688.21 : 677,418.89 = 185,522.21 : x
  2. Step 2: Convert to fraction form
    451,688.21/677,418.89 = 185,522.21/x
  3. Step 3: Cross multiply
    451,688.21x = 677,418.89 × 185,522.21
  4. Step 4: Simplify right side
    451,688.21x = 125,676,245,253.84
  5. Step 5: Solve for x
    x = 125,676,245,253.84/451,688.21
  6. Step 6: Final answer
    x = 278,236.72

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1.5x scale

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.