Home / 1,372,996.56-1,894,735.15-761,147.77

Finding the Fourth Proportional to 1,372,996.56, 1,894,735.15 and 761,147.77

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Solution

The fourth proportional to 1,372,996.56, 1,894,735.15 and 761,147.77 is: 1,050,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,996.56 : 1,894,735.15 = 761,147.77 : x
  2. Step 2: Convert to fraction form
    1,372,996.56/1,894,735.15 = 761,147.77/x
  3. Step 3: Cross multiply
    1,372,996.56x = 1,894,735.15 × 761,147.77
  4. Step 4: Simplify right side
    1,372,996.56x = 1,442,173,434,163.12
  5. Step 5: Solve for x
    x = 1,442,173,434,163.12/1,372,996.56
  6. Step 6: Final answer
    x = 1,050,383.87

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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.