Home / 406,946.90-561,518.29-271,183.54

Finding the Fourth Proportional to 406,946.90, 561,518.29 and 271,183.54

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Solution

The fourth proportional to 406,946.90, 561,518.29 and 271,183.54 is: 374,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,946.90 : 561,518.29 = 271,183.54 : x
  2. Step 2: Convert to fraction form
    406,946.90/561,518.29 = 271,183.54/x
  3. Step 3: Cross multiply
    406,946.90x = 561,518.29 × 271,183.54
  4. Step 4: Simplify right side
    406,946.90x = 152,274,517,656.95
  5. Step 5: Solve for x
    x = 152,274,517,656.95/406,946.90
  6. Step 6: Final answer
    x = 374,187.68

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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.