Home / 485,953.37-670,610.19-268,163.72

Finding the Fourth Proportional to 485,953.37, 670,610.19 and 268,163.72

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Solution

The fourth proportional to 485,953.37, 670,610.19 and 268,163.72 is: 370,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,953.37 : 670,610.19 = 268,163.72 : x
  2. Step 2: Convert to fraction form
    485,953.37/670,610.19 = 268,163.72/x
  3. Step 3: Cross multiply
    485,953.37x = 670,610.19 × 268,163.72
  4. Step 4: Simplify right side
    485,953.37x = 179,833,323,220.31
  5. Step 5: Solve for x
    x = 179,833,323,220.31/485,953.37
  6. Step 6: Final answer
    x = 370,062.92

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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.