Home / 1,511,694.91-2,086,138.87-832,631.41

Finding the Fourth Proportional to 1,511,694.91, 2,086,138.87 and 832,631.41

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Solution

The fourth proportional to 1,511,694.91, 2,086,138.87 and 832,631.41 is: 1,149,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,694.91 : 2,086,138.87 = 832,631.41 : x
  2. Step 2: Convert to fraction form
    1,511,694.91/2,086,138.87 = 832,631.41/x
  3. Step 3: Cross multiply
    1,511,694.91x = 2,086,138.87 × 832,631.41
  4. Step 4: Simplify right side
    1,511,694.91x = 1,736,984,748,783.91
  5. Step 5: Solve for x
    x = 1,736,984,748,783.91/1,511,694.91
  6. Step 6: Final answer
    x = 1,149,031.29

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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.