Home / 547,515.59-821,295.99-187,933.43

Finding the Fourth Proportional to 547,515.59, 821,295.99 and 187,933.43

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Solution

The fourth proportional to 547,515.59, 821,295.99 and 187,933.43 is: 281,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,515.59 : 821,295.99 = 187,933.43 : x
  2. Step 2: Convert to fraction form
    547,515.59/821,295.99 = 187,933.43/x
  3. Step 3: Cross multiply
    547,515.59x = 821,295.99 × 187,933.43
  4. Step 4: Simplify right side
    547,515.59x = 154,348,974,499.19
  5. Step 5: Solve for x
    x = 154,348,974,499.19/547,515.59
  6. Step 6: Final answer
    x = 281,907.91

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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.