Home / 304,844.91-420,684.61-175,782.75

Finding the Fourth Proportional to 304,844.91, 420,684.61 and 175,782.75

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Solution

The fourth proportional to 304,844.91, 420,684.61 and 175,782.75 is: 242,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,844.91 : 420,684.61 = 175,782.75 : x
  2. Step 2: Convert to fraction form
    304,844.91/420,684.61 = 175,782.75/x
  3. Step 3: Cross multiply
    304,844.91x = 420,684.61 × 175,782.75
  4. Step 4: Simplify right side
    304,844.91x = 73,949,097,628.48
  5. Step 5: Solve for x
    x = 73,949,097,628.48/304,844.91
  6. Step 6: Final answer
    x = 242,579.41

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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.