Home / 1,673,353.41-2,309,245.52-909,406.95

Finding the Fourth Proportional to 1,673,353.41, 2,309,245.52 and 909,406.95

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Solution

The fourth proportional to 1,673,353.41, 2,309,245.52 and 909,406.95 is: 1,254,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,353.41 : 2,309,245.52 = 909,406.95 : x
  2. Step 2: Convert to fraction form
    1,673,353.41/2,309,245.52 = 909,406.95/x
  3. Step 3: Cross multiply
    1,673,353.41x = 2,309,245.52 × 909,406.95
  4. Step 4: Simplify right side
    1,673,353.41x = 2,100,043,925,144.36
  5. Step 5: Solve for x
    x = 2,100,043,925,144.36/1,673,353.41
  6. Step 6: Final answer
    x = 1,254,991.27

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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.