Home / 722,023.86-1,083,060.92-342,749.22

Finding the Fourth Proportional to 722,023.86, 1,083,060.92 and 342,749.22

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Solution

The fourth proportional to 722,023.86, 1,083,060.92 and 342,749.22 is: 514,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,023.86 : 1,083,060.92 = 342,749.22 : x
  2. Step 2: Convert to fraction form
    722,023.86/1,083,060.92 = 342,749.22/x
  3. Step 3: Cross multiply
    722,023.86x = 1,083,060.92 × 342,749.22
  4. Step 4: Simplify right side
    722,023.86x = 371,218,285,542.48
  5. Step 5: Solve for x
    x = 371,218,285,542.48/722,023.86
  6. Step 6: Final answer
    x = 514,135.76

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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.