Home / 682,811.06-942,374.13-381,024.50

Finding the Fourth Proportional to 682,811.06, 942,374.13 and 381,024.50

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Solution

The fourth proportional to 682,811.06, 942,374.13 and 381,024.50 is: 525,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,811.06 : 942,374.13 = 381,024.50 : x
  2. Step 2: Convert to fraction form
    682,811.06/942,374.13 = 381,024.50/x
  3. Step 3: Cross multiply
    682,811.06x = 942,374.13 × 381,024.50
  4. Step 4: Simplify right side
    682,811.06x = 359,067,631,696.19
  5. Step 5: Solve for x
    x = 359,067,631,696.19/682,811.06
  6. Step 6: Final answer
    x = 525,866.75

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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.