Home / 1,326,936.43-1,987,279.96-876,540.18

Finding the Fourth Proportional to 1,326,936.43, 1,987,279.96 and 876,540.18

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Solution

The fourth proportional to 1,326,936.43, 1,987,279.96 and 876,540.18 is: 1,312,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,936.43 : 1,987,279.96 = 876,540.18 : x
  2. Step 2: Convert to fraction form
    1,326,936.43/1,987,279.96 = 876,540.18/x
  3. Step 3: Cross multiply
    1,326,936.43x = 1,987,279.96 × 876,540.18
  4. Step 4: Simplify right side
    1,326,936.43x = 1,741,930,733,848.79
  5. Step 5: Solve for x
    x = 1,741,930,733,848.79/1,326,936.43
  6. Step 6: Final answer
    x = 1,312,746.19

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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.