Home / 1,109,738.22-1,531,274.53-673,928.92

Finding the Fourth Proportional to 1,109,738.22, 1,531,274.53 and 673,928.92

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Solution

The fourth proportional to 1,109,738.22, 1,531,274.53 and 673,928.92 is: 929,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,738.22 : 1,531,274.53 = 673,928.92 : x
  2. Step 2: Convert to fraction form
    1,109,738.22/1,531,274.53 = 673,928.92/x
  3. Step 3: Cross multiply
    1,109,738.22x = 1,531,274.53 × 673,928.92
  4. Step 4: Simplify right side
    1,109,738.22x = 1,031,970,190,226.41
  5. Step 5: Solve for x
    x = 1,031,970,190,226.41/1,109,738.22
  6. Step 6: Final answer
    x = 929,922.18

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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.