Home / 542,835.92-749,035.97-324,992.39

Finding the Fourth Proportional to 542,835.92, 749,035.97 and 324,992.39

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Solution

The fourth proportional to 542,835.92, 749,035.97 and 324,992.39 is: 448,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,835.92 : 749,035.97 = 324,992.39 : x
  2. Step 2: Convert to fraction form
    542,835.92/749,035.97 = 324,992.39/x
  3. Step 3: Cross multiply
    542,835.92x = 749,035.97 × 324,992.39
  4. Step 4: Simplify right side
    542,835.92x = 243,430,987,153.57
  5. Step 5: Solve for x
    x = 243,430,987,153.57/542,835.92
  6. Step 6: Final answer
    x = 448,443.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.