Home / 678,637.85-1,017,956.16-173,198.79

Finding the Fourth Proportional to 678,637.85, 1,017,956.16 and 173,198.79

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Solution

The fourth proportional to 678,637.85, 1,017,956.16 and 173,198.79 is: 259,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,637.85 : 1,017,956.16 = 173,198.79 : x
  2. Step 2: Convert to fraction form
    678,637.85/1,017,956.16 = 173,198.79/x
  3. Step 3: Cross multiply
    678,637.85x = 1,017,956.16 × 173,198.79
  4. Step 4: Simplify right side
    678,637.85x = 176,308,775,185.05
  5. Step 5: Solve for x
    x = 176,308,775,185.05/678,637.85
  6. Step 6: Final answer
    x = 259,798.03

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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.