Home / 826,404.40-1,239,606.60-293,942.80

Finding the Fourth Proportional to 826,404.40, 1,239,606.60 and 293,942.80

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Solution

The fourth proportional to 826,404.40, 1,239,606.60 and 293,942.80 is: 440,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,404.40 : 1,239,606.60 = 293,942.80 : x
  2. Step 2: Convert to fraction form
    826,404.40/1,239,606.60 = 293,942.80/x
  3. Step 3: Cross multiply
    826,404.40x = 1,239,606.60 × 293,942.80
  4. Step 4: Simplify right side
    826,404.40x = 364,373,434,902.48
  5. Step 5: Solve for x
    x = 364,373,434,902.48/826,404.40
  6. Step 6: Final answer
    x = 440,914.20

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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.