Home / 318,624.20-477,936.30-176,906.60

Finding the Fourth Proportional to 318,624.20, 477,936.30 and 176,906.60

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Solution

The fourth proportional to 318,624.20, 477,936.30 and 176,906.60 is: 265,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,624.20 : 477,936.30 = 176,906.60 : x
  2. Step 2: Convert to fraction form
    318,624.20/477,936.30 = 176,906.60/x
  3. Step 3: Cross multiply
    318,624.20x = 477,936.30 × 176,906.60
  4. Step 4: Simplify right side
    318,624.20x = 84,550,085,849.58
  5. Step 5: Solve for x
    x = 84,550,085,849.58/318,624.20
  6. Step 6: Final answer
    x = 265,359.90

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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.