Home / 818,783.14-1,228,361.64-250,245.16

Finding the Fourth Proportional to 818,783.14, 1,228,361.64 and 250,245.16

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Solution

The fourth proportional to 818,783.14, 1,228,361.64 and 250,245.16 is: 375,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,783.14 : 1,228,361.64 = 250,245.16 : x
  2. Step 2: Convert to fraction form
    818,783.14/1,228,361.64 = 250,245.16/x
  3. Step 3: Cross multiply
    818,783.14x = 1,228,361.64 × 250,245.16
  4. Step 4: Simplify right side
    818,783.14x = 307,391,555,139.66
  5. Step 5: Solve for x
    x = 307,391,555,139.66/818,783.14
  6. Step 6: Final answer
    x = 375,424.87

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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.