Home / 855,825.27-1,283,752.50-323,596.95

Finding the Fourth Proportional to 855,825.27, 1,283,752.50 and 323,596.95

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Solution

The fourth proportional to 855,825.27, 1,283,752.50 and 323,596.95 is: 485,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,825.27 : 1,283,752.50 = 323,596.95 : x
  2. Step 2: Convert to fraction form
    855,825.27/1,283,752.50 = 323,596.95/x
  3. Step 3: Cross multiply
    855,825.27x = 1,283,752.50 × 323,596.95
  4. Step 4: Simplify right side
    855,825.27x = 415,418,393,554.88
  5. Step 5: Solve for x
    x = 415,418,393,554.88/855,825.27
  6. Step 6: Final answer
    x = 485,400.94

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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.