Home / 338,431.16-507,487.44-196,316.84

Finding the Fourth Proportional to 338,431.16, 507,487.44 and 196,316.84

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Solution

The fourth proportional to 338,431.16, 507,487.44 and 196,316.84 is: 294,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,431.16 : 507,487.44 = 196,316.84 : x
  2. Step 2: Convert to fraction form
    338,431.16/507,487.44 = 196,316.84/x
  3. Step 3: Cross multiply
    338,431.16x = 507,487.44 × 196,316.84
  4. Step 4: Simplify right side
    338,431.16x = 99,628,330,560.49
  5. Step 5: Solve for x
    x = 99,628,330,560.49/338,431.16
  6. Step 6: Final answer
    x = 294,382.85

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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.