Home / 1,164,109.92-1,606,447.92-680,961.12

Finding the Fourth Proportional to 1,164,109.92, 1,606,447.92 and 680,961.12

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Solution

The fourth proportional to 1,164,109.92, 1,606,447.92 and 680,961.12 is: 939,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,109.92 : 1,606,447.92 = 680,961.12 : x
  2. Step 2: Convert to fraction form
    1,164,109.92/1,606,447.92 = 680,961.12/x
  3. Step 3: Cross multiply
    1,164,109.92x = 1,606,447.92 × 680,961.12
  4. Step 4: Simplify right side
    1,164,109.92x = 1,093,928,574,824.87
  5. Step 5: Solve for x
    x = 1,093,928,574,824.87/1,164,109.92
  6. Step 6: Final answer
    x = 939,712.44

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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.