Home / 413,680.35-619,946.43-188,490.45

Finding the Fourth Proportional to 413,680.35, 619,946.43 and 188,490.45

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Solution

The fourth proportional to 413,680.35, 619,946.43 and 188,490.45 is: 282,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,680.35 : 619,946.43 = 188,490.45 : x
  2. Step 2: Convert to fraction form
    413,680.35/619,946.43 = 188,490.45/x
  3. Step 3: Cross multiply
    413,680.35x = 619,946.43 × 188,490.45
  4. Step 4: Simplify right side
    413,680.35x = 116,853,981,566.59
  5. Step 5: Solve for x
    x = 116,853,981,566.59/413,680.35
  6. Step 6: Final answer
    x = 282,474.09

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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.