Home / 1,300,873.06-1,951,309.55-857,537.38

Finding the Fourth Proportional to 1,300,873.06, 1,951,309.55 and 857,537.38

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Solution

The fourth proportional to 1,300,873.06, 1,951,309.55 and 857,537.38 is: 1,286,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,873.06 : 1,951,309.55 = 857,537.38 : x
  2. Step 2: Convert to fraction form
    1,300,873.06/1,951,309.55 = 857,537.38/x
  3. Step 3: Cross multiply
    1,300,873.06x = 1,951,309.55 × 857,537.38
  4. Step 4: Simplify right side
    1,300,873.06x = 1,673,320,879,075.98
  5. Step 5: Solve for x
    x = 1,673,320,879,075.98/1,300,873.06
  6. Step 6: Final answer
    x = 1,286,306.04

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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.