Home / 935,676.20-1,401,440.70-724,629.80

Finding the Fourth Proportional to 935,676.20, 1,401,440.70 and 724,629.80

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Solution

The fourth proportional to 935,676.20, 1,401,440.70 and 724,629.80 is: 1,085,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,676.20 : 1,401,440.70 = 724,629.80 : x
  2. Step 2: Convert to fraction form
    935,676.20/1,401,440.70 = 724,629.80/x
  3. Step 3: Cross multiply
    935,676.20x = 1,401,440.70 × 724,629.80
  4. Step 4: Simplify right side
    935,676.20x = 1,015,525,694,152.86
  5. Step 5: Solve for x
    x = 1,015,525,694,152.86/935,676.20
  6. Step 6: Final answer
    x = 1,085,338.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.