Home / 649,263.78-973,944.69-193,819.11

Finding the Fourth Proportional to 649,263.78, 973,944.69 and 193,819.11

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Solution

The fourth proportional to 649,263.78, 973,944.69 and 193,819.11 is: 290,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,263.78 : 973,944.69 = 193,819.11 : x
  2. Step 2: Convert to fraction form
    649,263.78/973,944.69 = 193,819.11/x
  3. Step 3: Cross multiply
    649,263.78x = 973,944.69 × 193,819.11
  4. Step 4: Simplify right side
    649,263.78x = 188,769,093,005.03
  5. Step 5: Solve for x
    x = 188,769,093,005.03/649,263.78
  6. Step 6: Final answer
    x = 290,743.30

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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.