Home / 892,509.58-1,231,650.61-505,315.02

Finding the Fourth Proportional to 892,509.58, 1,231,650.61 and 505,315.02

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Solution

The fourth proportional to 892,509.58, 1,231,650.61 and 505,315.02 is: 697,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,509.58 : 1,231,650.61 = 505,315.02 : x
  2. Step 2: Convert to fraction form
    892,509.58/1,231,650.61 = 505,315.02/x
  3. Step 3: Cross multiply
    892,509.58x = 1,231,650.61 × 505,315.02
  4. Step 4: Simplify right side
    892,509.58x = 622,371,552,625.16
  5. Step 5: Solve for x
    x = 622,371,552,625.16/892,509.58
  6. Step 6: Final answer
    x = 697,327.59

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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.