Home / 1,692,134-2,335,144.92-928,189.39

Finding the Fourth Proportional to 1,692,134, 2,335,144.92 and 928,189.39

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Solution

The fourth proportional to 1,692,134, 2,335,144.92 and 928,189.39 is: 1,280,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,134 : 2,335,144.92 = 928,189.39 : x
  2. Step 2: Convert to fraction form
    1,692,134/2,335,144.92 = 928,189.39/x
  3. Step 3: Cross multiply
    1,692,134x = 2,335,144.92 × 928,189.39
  4. Step 4: Simplify right side
    1,692,134x = 2,167,456,738,856.40
  5. Step 5: Solve for x
    x = 2,167,456,738,856.40/1,692,134
  6. Step 6: Final answer
    x = 1,280,901.36

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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.