Home / 436,388.07-654,575.52-196,332.45

Finding the Fourth Proportional to 436,388.07, 654,575.52 and 196,332.45

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Solution

The fourth proportional to 436,388.07, 654,575.52 and 196,332.45 is: 294,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,388.07 : 654,575.52 = 196,332.45 : x
  2. Step 2: Convert to fraction form
    436,388.07/654,575.52 = 196,332.45/x
  3. Step 3: Cross multiply
    436,388.07x = 654,575.52 × 196,332.45
  4. Step 4: Simplify right side
    436,388.07x = 128,514,415,551.62
  5. Step 5: Solve for x
    x = 128,514,415,551.62/436,388.07
  6. Step 6: Final answer
    x = 294,495.71

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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.