Home / 1,511,555.52-2,086,040.96-832,491.84

Finding the Fourth Proportional to 1,511,555.52, 2,086,040.96 and 832,491.84

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Solution

The fourth proportional to 1,511,555.52, 2,086,040.96 and 832,491.84 is: 1,148,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,555.52 : 2,086,040.96 = 832,491.84 : x
  2. Step 2: Convert to fraction form
    1,511,555.52/2,086,040.96 = 832,491.84/x
  3. Step 3: Cross multiply
    1,511,555.52x = 2,086,040.96 × 832,491.84
  4. Step 4: Simplify right side
    1,511,555.52x = 1,736,612,077,105.77
  5. Step 5: Solve for x
    x = 1,736,612,077,105.77/1,511,555.52
  6. Step 6: Final answer
    x = 1,148,890.70

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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.