Home / 411,857.23-568,069.92-377,975.16

Finding the Fourth Proportional to 411,857.23, 568,069.92 and 377,975.16

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Solution

The fourth proportional to 411,857.23, 568,069.92 and 377,975.16 is: 521,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,857.23 : 568,069.92 = 377,975.16 : x
  2. Step 2: Convert to fraction form
    411,857.23/568,069.92 = 377,975.16/x
  3. Step 3: Cross multiply
    411,857.23x = 568,069.92 × 377,975.16
  4. Step 4: Simplify right side
    411,857.23x = 214,716,318,903.19
  5. Step 5: Solve for x
    x = 214,716,318,903.19/411,857.23
  6. Step 6: Final answer
    x = 521,336.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.