Home / 1,639,576.34-2,458,650.22-870,905.82

Finding the Fourth Proportional to 1,639,576.34, 2,458,650.22 and 870,905.82

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Solution

The fourth proportional to 1,639,576.34, 2,458,650.22 and 870,905.82 is: 1,305,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,576.34 : 2,458,650.22 = 870,905.82 : x
  2. Step 2: Convert to fraction form
    1,639,576.34/2,458,650.22 = 870,905.82/x
  3. Step 3: Cross multiply
    1,639,576.34x = 2,458,650.22 × 870,905.82
  4. Step 4: Simplify right side
    1,639,576.34x = 2,141,252,785,942.28
  5. Step 5: Solve for x
    x = 2,141,252,785,942.28/1,639,576.34
  6. Step 6: Final answer
    x = 1,305,979.32

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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.