Home / 451,638.37-623,083.15-260,614.86

Finding the Fourth Proportional to 451,638.37, 623,083.15 and 260,614.86

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Solution

The fourth proportional to 451,638.37, 623,083.15 and 260,614.86 is: 359,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,638.37 : 623,083.15 = 260,614.86 : x
  2. Step 2: Convert to fraction form
    451,638.37/623,083.15 = 260,614.86/x
  3. Step 3: Cross multiply
    451,638.37x = 623,083.15 × 260,614.86
  4. Step 4: Simplify right side
    451,638.37x = 162,384,727,905.61
  5. Step 5: Solve for x
    x = 162,384,727,905.61/451,638.37
  6. Step 6: Final answer
    x = 359,545.91

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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.