Home / 1,172,707.73-1,618,339.78-636,163.73

Finding the Fourth Proportional to 1,172,707.73, 1,618,339.78 and 636,163.73

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Solution

The fourth proportional to 1,172,707.73, 1,618,339.78 and 636,163.73 is: 877,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,707.73 : 1,618,339.78 = 636,163.73 : x
  2. Step 2: Convert to fraction form
    1,172,707.73/1,618,339.78 = 636,163.73/x
  3. Step 3: Cross multiply
    1,172,707.73x = 1,618,339.78 × 636,163.73
  4. Step 4: Simplify right side
    1,172,707.73x = 1,029,529,076,488.44
  5. Step 5: Solve for x
    x = 1,029,529,076,488.44/1,172,707.73
  6. Step 6: Final answer
    x = 877,907.64

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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.