Home / 883,872.25-1,219,704.36-516,383.45

Finding the Fourth Proportional to 883,872.25, 1,219,704.36 and 516,383.45

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Solution

The fourth proportional to 883,872.25, 1,219,704.36 and 516,383.45 is: 712,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,872.25 : 1,219,704.36 = 516,383.45 : x
  2. Step 2: Convert to fraction form
    883,872.25/1,219,704.36 = 516,383.45/x
  3. Step 3: Cross multiply
    883,872.25x = 1,219,704.36 × 516,383.45
  4. Step 4: Simplify right side
    883,872.25x = 629,835,145,396.84
  5. Step 5: Solve for x
    x = 629,835,145,396.84/883,872.25
  6. Step 6: Final answer
    x = 712,586.18

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1.5x scale

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.