Home / 1,672,104.76-2,305,932.78-1,289,525.56

Finding the Fourth Proportional to 1,672,104.76, 2,305,932.78 and 1,289,525.56

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Solution

The fourth proportional to 1,672,104.76, 2,305,932.78 and 1,289,525.56 is: 1,778,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,104.76 : 2,305,932.78 = 1,289,525.56 : x
  2. Step 2: Convert to fraction form
    1,672,104.76/2,305,932.78 = 1,289,525.56/x
  3. Step 3: Cross multiply
    1,672,104.76x = 2,305,932.78 × 1,289,525.56
  4. Step 4: Simplify right side
    1,672,104.76x = 2,973,559,259,451.86
  5. Step 5: Solve for x
    x = 2,973,559,259,451.86/1,672,104.76
  6. Step 6: Final answer
    x = 1,778,333.11

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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.