Home / 413,675.65-619,939.38-188,485.75

Finding the Fourth Proportional to 413,675.65, 619,939.38 and 188,485.75

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Solution

The fourth proportional to 413,675.65, 619,939.38 and 188,485.75 is: 282,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,675.65 : 619,939.38 = 188,485.75 : x
  2. Step 2: Convert to fraction form
    413,675.65/619,939.38 = 188,485.75/x
  3. Step 3: Cross multiply
    413,675.65x = 619,939.38 × 188,485.75
  4. Step 4: Simplify right side
    413,675.65x = 116,849,738,993.84
  5. Step 5: Solve for x
    x = 116,849,738,993.84/413,675.65
  6. Step 6: Final answer
    x = 282,467.05

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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.