Home / 782,913.67-1,174,370.51-191,937.67

Finding the Fourth Proportional to 782,913.67, 1,174,370.51 and 191,937.67

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Solution

The fourth proportional to 782,913.67, 1,174,370.51 and 191,937.67 is: 287,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,913.67 : 1,174,370.51 = 191,937.67 : x
  2. Step 2: Convert to fraction form
    782,913.67/1,174,370.51 = 191,937.67/x
  3. Step 3: Cross multiply
    782,913.67x = 1,174,370.51 × 191,937.67
  4. Step 4: Simplify right side
    782,913.67x = 225,405,939,406.11
  5. Step 5: Solve for x
    x = 225,405,939,406.11/782,913.67
  6. Step 6: Final answer
    x = 287,906.51

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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.