Home / 1,077,881.41-1,616,546.22-319,545.54

Finding the Fourth Proportional to 1,077,881.41, 1,616,546.22 and 319,545.54

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Solution

The fourth proportional to 1,077,881.41, 1,616,546.22 and 319,545.54 is: 479,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,881.41 : 1,616,546.22 = 319,545.54 : x
  2. Step 2: Convert to fraction form
    1,077,881.41/1,616,546.22 = 319,545.54/x
  3. Step 3: Cross multiply
    1,077,881.41x = 1,616,546.22 × 319,545.54
  4. Step 4: Simplify right side
    1,077,881.41x = 516,560,134,804.86
  5. Step 5: Solve for x
    x = 516,560,134,804.86/1,077,881.41
  6. Step 6: Final answer
    x = 479,236.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.