Home / 397,825.56-596,738.34-117,320.94

Finding the Fourth Proportional to 397,825.56, 596,738.34 and 117,320.94

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Solution

The fourth proportional to 397,825.56, 596,738.34 and 117,320.94 is: 175,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,825.56 : 596,738.34 = 117,320.94 : x
  2. Step 2: Convert to fraction form
    397,825.56/596,738.34 = 117,320.94/x
  3. Step 3: Cross multiply
    397,825.56x = 596,738.34 × 117,320.94
  4. Step 4: Simplify right side
    397,825.56x = 70,009,902,982.84
  5. Step 5: Solve for x
    x = 70,009,902,982.84/397,825.56
  6. Step 6: Final answer
    x = 175,981.41

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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.