Home / 945,076.44-1,304,237.04-515,380.08

Finding the Fourth Proportional to 945,076.44, 1,304,237.04 and 515,380.08

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Solution

The fourth proportional to 945,076.44, 1,304,237.04 and 515,380.08 is: 711,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,076.44 : 1,304,237.04 = 515,380.08 : x
  2. Step 2: Convert to fraction form
    945,076.44/1,304,237.04 = 515,380.08/x
  3. Step 3: Cross multiply
    945,076.44x = 1,304,237.04 × 515,380.08
  4. Step 4: Simplify right side
    945,076.44x = 672,177,790,014.16
  5. Step 5: Solve for x
    x = 672,177,790,014.16/945,076.44
  6. Step 6: Final answer
    x = 711,241.72

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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.