Home / 935,708.20-1,401,488.70-724,661.80

Finding the Fourth Proportional to 935,708.20, 1,401,488.70 and 724,661.80

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Solution

The fourth proportional to 935,708.20, 1,401,488.70 and 724,661.80 is: 1,085,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,708.20 : 1,401,488.70 = 724,661.80 : x
  2. Step 2: Convert to fraction form
    935,708.20/1,401,488.70 = 724,661.80/x
  3. Step 3: Cross multiply
    935,708.20x = 1,401,488.70 × 724,661.80
  4. Step 4: Simplify right side
    935,708.20x = 1,015,605,324,021.66
  5. Step 5: Solve for x
    x = 1,015,605,324,021.66/935,708.20
  6. Step 6: Final answer
    x = 1,085,386.79

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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.