Home / 380,877.24-571,120.02-223,416.12

Finding the Fourth Proportional to 380,877.24, 571,120.02 and 223,416.12

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Solution

The fourth proportional to 380,877.24, 571,120.02 and 223,416.12 is: 335,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,877.24 : 571,120.02 = 223,416.12 : x
  2. Step 2: Convert to fraction form
    380,877.24/571,120.02 = 223,416.12/x
  3. Step 3: Cross multiply
    380,877.24x = 571,120.02 × 223,416.12
  4. Step 4: Simplify right side
    380,877.24x = 127,597,418,922.72
  5. Step 5: Solve for x
    x = 127,597,418,922.72/380,877.24
  6. Step 6: Final answer
    x = 335,009.30

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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.