Home / 1,511,253.63-2,085,371.46-857,671.52

Finding the Fourth Proportional to 1,511,253.63, 2,085,371.46 and 857,671.52

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Solution

The fourth proportional to 1,511,253.63, 2,085,371.46 and 857,671.52 is: 1,183,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,253.63 : 2,085,371.46 = 857,671.52 : x
  2. Step 2: Convert to fraction form
    1,511,253.63/2,085,371.46 = 857,671.52/x
  3. Step 3: Cross multiply
    1,511,253.63x = 2,085,371.46 × 857,671.52
  4. Step 4: Simplify right side
    1,511,253.63x = 1,788,563,699,435.96
  5. Step 5: Solve for x
    x = 1,788,563,699,435.96/1,511,253.63
  6. Step 6: Final answer
    x = 1,183,496.71

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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.