Home / 376,553.12-519,618.60-223,583.40

Finding the Fourth Proportional to 376,553.12, 519,618.60 and 223,583.40

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Solution

The fourth proportional to 376,553.12, 519,618.60 and 223,583.40 is: 308,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,553.12 : 519,618.60 = 223,583.40 : x
  2. Step 2: Convert to fraction form
    376,553.12/519,618.60 = 223,583.40/x
  3. Step 3: Cross multiply
    376,553.12x = 519,618.60 × 223,583.40
  4. Step 4: Simplify right side
    376,553.12x = 116,178,093,291.24
  5. Step 5: Solve for x
    x = 116,178,093,291.24/376,553.12
  6. Step 6: Final answer
    x = 308,530.42

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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.