Home / 454,342.60-626,882.67-258,065.42

Finding the Fourth Proportional to 454,342.60, 626,882.67 and 258,065.42

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Solution

The fourth proportional to 454,342.60, 626,882.67 and 258,065.42 is: 356,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,342.60 : 626,882.67 = 258,065.42 : x
  2. Step 2: Convert to fraction form
    454,342.60/626,882.67 = 258,065.42/x
  3. Step 3: Cross multiply
    454,342.60x = 626,882.67 × 258,065.42
  4. Step 4: Simplify right side
    454,342.60x = 161,776,739,524.27
  5. Step 5: Solve for x
    x = 161,776,739,524.27/454,342.60
  6. Step 6: Final answer
    x = 356,067.73

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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.