Home / 1,372,742.73-1,893,744.18-863,725.77

Finding the Fourth Proportional to 1,372,742.73, 1,893,744.18 and 863,725.77

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Solution

The fourth proportional to 1,372,742.73, 1,893,744.18 and 863,725.77 is: 1,191,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,742.73 : 1,893,744.18 = 863,725.77 : x
  2. Step 2: Convert to fraction form
    1,372,742.73/1,893,744.18 = 863,725.77/x
  3. Step 3: Cross multiply
    1,372,742.73x = 1,893,744.18 × 863,725.77
  4. Step 4: Simplify right side
    1,372,742.73x = 1,635,675,650,053.52
  5. Step 5: Solve for x
    x = 1,635,675,650,053.52/1,372,742.73
  6. Step 6: Final answer
    x = 1,191,538.38

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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.