Home / 935,540.20-1,401,236.70-724,493.80

Finding the Fourth Proportional to 935,540.20, 1,401,236.70 and 724,493.80

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Solution

The fourth proportional to 935,540.20, 1,401,236.70 and 724,493.80 is: 1,085,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,540.20 : 1,401,236.70 = 724,493.80 : x
  2. Step 2: Convert to fraction form
    935,540.20/1,401,236.70 = 724,493.80/x
  3. Step 3: Cross multiply
    935,540.20x = 1,401,236.70 × 724,493.80
  4. Step 4: Simplify right side
    935,540.20x = 1,015,187,301,482.46
  5. Step 5: Solve for x
    x = 1,015,187,301,482.46/935,540.20
  6. Step 6: Final answer
    x = 1,085,134.88

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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.