Home / 414,120.64-571,468.08-253,245.28

Finding the Fourth Proportional to 414,120.64, 571,468.08 and 253,245.28

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Solution

The fourth proportional to 414,120.64, 571,468.08 and 253,245.28 is: 349,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,120.64 : 571,468.08 = 253,245.28 : x
  2. Step 2: Convert to fraction form
    414,120.64/571,468.08 = 253,245.28/x
  3. Step 3: Cross multiply
    414,120.64x = 571,468.08 × 253,245.28
  4. Step 4: Simplify right side
    414,120.64x = 144,721,593,930.66
  5. Step 5: Solve for x
    x = 144,721,593,930.66/414,120.64
  6. Step 6: Final answer
    x = 349,467.23

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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.