Home / 1,245,969.60-1,719,438.11-673,009.77

Finding the Fourth Proportional to 1,245,969.60, 1,719,438.11 and 673,009.77

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Solution

The fourth proportional to 1,245,969.60, 1,719,438.11 and 673,009.77 is: 928,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,969.60 : 1,719,438.11 = 673,009.77 : x
  2. Step 2: Convert to fraction form
    1,245,969.60/1,719,438.11 = 673,009.77/x
  3. Step 3: Cross multiply
    1,245,969.60x = 1,719,438.11 × 673,009.77
  4. Step 4: Simplify right side
    1,245,969.60x = 1,157,198,652,546.97
  5. Step 5: Solve for x
    x = 1,157,198,652,546.97/1,245,969.60
  6. Step 6: Final answer
    x = 928,753.52

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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.