Home / 825,914.80-1,238,580.60-293,453.20

Finding the Fourth Proportional to 825,914.80, 1,238,580.60 and 293,453.20

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Solution

The fourth proportional to 825,914.80, 1,238,580.60 and 293,453.20 is: 440,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,914.80 : 1,238,580.60 = 293,453.20 : x
  2. Step 2: Convert to fraction form
    825,914.80/1,238,580.60 = 293,453.20/x
  3. Step 3: Cross multiply
    825,914.80x = 1,238,580.60 × 293,453.20
  4. Step 4: Simplify right side
    825,914.80x = 363,465,440,527.92
  5. Step 5: Solve for x
    x = 363,465,440,527.92/825,914.80
  6. Step 6: Final answer
    x = 440,076.19

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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.