Home / 1,372,250.97-1,893,085.31-828,212.85

Finding the Fourth Proportional to 1,372,250.97, 1,893,085.31 and 828,212.85

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Solution

The fourth proportional to 1,372,250.97, 1,893,085.31 and 828,212.85 is: 1,142,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,250.97 : 1,893,085.31 = 828,212.85 : x
  2. Step 2: Convert to fraction form
    1,372,250.97/1,893,085.31 = 828,212.85/x
  3. Step 3: Cross multiply
    1,372,250.97x = 1,893,085.31 × 828,212.85
  4. Step 4: Simplify right side
    1,372,250.97x = 1,567,877,581,958.77
  5. Step 5: Solve for x
    x = 1,567,877,581,958.77/1,372,250.97
  6. Step 6: Final answer
    x = 1,142,558.92

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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.