Home / 1,511,390.89-2,085,796.65-858,062.71

Finding the Fourth Proportional to 1,511,390.89, 2,085,796.65 and 858,062.71

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Solution

The fourth proportional to 1,511,390.89, 2,085,796.65 and 858,062.71 is: 1,184,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,390.89 : 2,085,796.65 = 858,062.71 : x
  2. Step 2: Convert to fraction form
    1,511,390.89/2,085,796.65 = 858,062.71/x
  3. Step 3: Cross multiply
    1,511,390.89x = 2,085,796.65 × 858,062.71
  4. Step 4: Simplify right side
    1,511,390.89x = 1,789,744,326,007.92
  5. Step 5: Solve for x
    x = 1,789,744,326,007.92/1,511,390.89
  6. Step 6: Final answer
    x = 1,184,170.38

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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.