Home / 646,984.56-969,819.38-268,111.42

Finding the Fourth Proportional to 646,984.56, 969,819.38 and 268,111.42

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Solution

The fourth proportional to 646,984.56, 969,819.38 and 268,111.42 is: 401,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,984.56 : 969,819.38 = 268,111.42 : x
  2. Step 2: Convert to fraction form
    646,984.56/969,819.38 = 268,111.42/x
  3. Step 3: Cross multiply
    646,984.56x = 969,819.38 × 268,111.42
  4. Step 4: Simplify right side
    646,984.56x = 260,019,648,355.63
  5. Step 5: Solve for x
    x = 260,019,648,355.63/646,984.56
  6. Step 6: Final answer
    x = 401,894.67

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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.