Home / 654,266.20-982,025.70-338,949.40

Finding the Fourth Proportional to 654,266.20, 982,025.70 and 338,949.40

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Solution

The fourth proportional to 654,266.20, 982,025.70 and 338,949.40 is: 508,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,266.20 : 982,025.70 = 338,949.40 : x
  2. Step 2: Convert to fraction form
    654,266.20/982,025.70 = 338,949.40/x
  3. Step 3: Cross multiply
    654,266.20x = 982,025.70 × 338,949.40
  4. Step 4: Simplify right side
    654,266.20x = 332,857,021,799.58
  5. Step 5: Solve for x
    x = 332,857,021,799.58/654,266.20
  6. Step 6: Final answer
    x = 508,748.61

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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.