Home / 682,812.06-942,375.51-381,025.50

Finding the Fourth Proportional to 682,812.06, 942,375.51 and 381,025.50

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Solution

The fourth proportional to 682,812.06, 942,375.51 and 381,025.50 is: 525,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,812.06 : 942,375.51 = 381,025.50 : x
  2. Step 2: Convert to fraction form
    682,812.06/942,375.51 = 381,025.50/x
  3. Step 3: Cross multiply
    682,812.06x = 942,375.51 × 381,025.50
  4. Step 4: Simplify right side
    682,812.06x = 359,069,099,885.51
  5. Step 5: Solve for x
    x = 359,069,099,885.51/682,812.06
  6. Step 6: Final answer
    x = 525,868.13

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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.