Home / 843,361.50-1,265,041.22-274,741.68

Finding the Fourth Proportional to 843,361.50, 1,265,041.22 and 274,741.68

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Solution

The fourth proportional to 843,361.50, 1,265,041.22 and 274,741.68 is: 412,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,361.50 : 1,265,041.22 = 274,741.68 : x
  2. Step 2: Convert to fraction form
    843,361.50/1,265,041.22 = 274,741.68/x
  3. Step 3: Cross multiply
    843,361.50x = 1,265,041.22 × 274,741.68
  4. Step 4: Simplify right side
    843,361.50x = 347,559,548,678.34
  5. Step 5: Solve for x
    x = 347,559,548,678.34/843,361.50
  6. Step 6: Final answer
    x = 412,112.18

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1.5x scale

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.