Home / 764,026.36-1,146,035.32-195,406.49

Finding the Fourth Proportional to 764,026.36, 1,146,035.32 and 195,406.49

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Solution

The fourth proportional to 764,026.36, 1,146,035.32 and 195,406.49 is: 293,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,026.36 : 1,146,035.32 = 195,406.49 : x
  2. Step 2: Convert to fraction form
    764,026.36/1,146,035.32 = 195,406.49/x
  3. Step 3: Cross multiply
    764,026.36x = 1,146,035.32 × 195,406.49
  4. Step 4: Simplify right side
    764,026.36x = 223,942,741,673.80
  5. Step 5: Solve for x
    x = 223,942,741,673.80/764,026.36
  6. Step 6: Final answer
    x = 293,108.66

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Double scale
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Similar ratio
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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.