Home / 547,811.70-821,861.55-173,834.10

Finding the Fourth Proportional to 547,811.70, 821,861.55 and 173,834.10

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Solution

The fourth proportional to 547,811.70, 821,861.55 and 173,834.10 is: 260,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,811.70 : 821,861.55 = 173,834.10 : x
  2. Step 2: Convert to fraction form
    547,811.70/821,861.55 = 173,834.10/x
  3. Step 3: Cross multiply
    547,811.70x = 821,861.55 × 173,834.10
  4. Step 4: Simplify right side
    547,811.70x = 142,867,562,868.86
  5. Step 5: Solve for x
    x = 142,867,562,868.86/547,811.70
  6. Step 6: Final answer
    x = 260,796.84

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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.