Home / 547,922.74-756,067.90-302,874.40

Finding the Fourth Proportional to 547,922.74, 756,067.90 and 302,874.40

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Solution

The fourth proportional to 547,922.74, 756,067.90 and 302,874.40 is: 417,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,922.74 : 756,067.90 = 302,874.40 : x
  2. Step 2: Convert to fraction form
    547,922.74/756,067.90 = 302,874.40/x
  3. Step 3: Cross multiply
    547,922.74x = 756,067.90 × 302,874.40
  4. Step 4: Simplify right side
    547,922.74x = 228,993,611,571.76
  5. Step 5: Solve for x
    x = 228,993,611,571.76/547,922.74
  6. Step 6: Final answer
    x = 417,930.48

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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.