Home / 436,206.72-654,357-183,512.94

Finding the Fourth Proportional to 436,206.72, 654,357 and 183,512.94

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Solution

The fourth proportional to 436,206.72, 654,357 and 183,512.94 is: 275,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,206.72 : 654,357 = 183,512.94 : x
  2. Step 2: Convert to fraction form
    436,206.72/654,357 = 183,512.94/x
  3. Step 3: Cross multiply
    436,206.72x = 654,357 × 183,512.94
  4. Step 4: Simplify right side
    436,206.72x = 120,082,976,879.58
  5. Step 5: Solve for x
    x = 120,082,976,879.58/436,206.72
  6. Step 6: Final answer
    x = 275,289.15

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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.