Home / 476,623.44-714,776.40-192,240.54

Finding the Fourth Proportional to 476,623.44, 714,776.40 and 192,240.54

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Solution

The fourth proportional to 476,623.44, 714,776.40 and 192,240.54 is: 288,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,623.44 : 714,776.40 = 192,240.54 : x
  2. Step 2: Convert to fraction form
    476,623.44/714,776.40 = 192,240.54/x
  3. Step 3: Cross multiply
    476,623.44x = 714,776.40 × 192,240.54
  4. Step 4: Simplify right side
    476,623.44x = 137,409,001,115.26
  5. Step 5: Solve for x
    x = 137,409,001,115.26/476,623.44
  6. Step 6: Final answer
    x = 288,296.78

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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.