Home / 783,810.45-1,175,658.58-351,661.73

Finding the Fourth Proportional to 783,810.45, 1,175,658.58 and 351,661.73

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Solution

The fourth proportional to 783,810.45, 1,175,658.58 and 351,661.73 is: 527,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,810.45 : 1,175,658.58 = 351,661.73 : x
  2. Step 2: Convert to fraction form
    783,810.45/1,175,658.58 = 351,661.73/x
  3. Step 3: Cross multiply
    783,810.45x = 1,175,658.58 × 351,661.73
  4. Step 4: Simplify right side
    783,810.45x = 413,434,122,495.54
  5. Step 5: Solve for x
    x = 413,434,122,495.54/783,810.45
  6. Step 6: Final answer
    x = 527,466.97

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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.