Home / 481,808.84-664,923.13-275,138.25

Finding the Fourth Proportional to 481,808.84, 664,923.13 and 275,138.25

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Solution

The fourth proportional to 481,808.84, 664,923.13 and 275,138.25 is: 379,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,808.84 : 664,923.13 = 275,138.25 : x
  2. Step 2: Convert to fraction form
    481,808.84/664,923.13 = 275,138.25/x
  3. Step 3: Cross multiply
    481,808.84x = 664,923.13 × 275,138.25
  4. Step 4: Simplify right side
    481,808.84x = 182,945,786,931.61
  5. Step 5: Solve for x
    x = 182,945,786,931.61/481,808.84
  6. Step 6: Final answer
    x = 379,706.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.