Home / 376,441.56-519,261.30-223,379.10

Finding the Fourth Proportional to 376,441.56, 519,261.30 and 223,379.10

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Solution

The fourth proportional to 376,441.56, 519,261.30 and 223,379.10 is: 308,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,441.56 : 519,261.30 = 223,379.10 : x
  2. Step 2: Convert to fraction form
    376,441.56/519,261.30 = 223,379.10/x
  3. Step 3: Cross multiply
    376,441.56x = 519,261.30 × 223,379.10
  4. Step 4: Simplify right side
    376,441.56x = 115,992,121,858.83
  5. Step 5: Solve for x
    x = 115,992,121,858.83/376,441.56
  6. Step 6: Final answer
    x = 308,127.83

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1.5x scale

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.