Home / 472,828.26-709,620.33-245,188.56

Finding the Fourth Proportional to 472,828.26, 709,620.33 and 245,188.56

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Solution

The fourth proportional to 472,828.26, 709,620.33 and 245,188.56 is: 367,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,828.26 : 709,620.33 = 245,188.56 : x
  2. Step 2: Convert to fraction form
    472,828.26/709,620.33 = 245,188.56/x
  3. Step 3: Cross multiply
    472,828.26x = 709,620.33 × 245,188.56
  4. Step 4: Simplify right side
    472,828.26x = 173,990,786,859.43
  5. Step 5: Solve for x
    x = 173,990,786,859.43/472,828.26
  6. Step 6: Final answer
    x = 367,978.82

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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.