Home / 945,310.23-1,304,527.32-515,589.03

Finding the Fourth Proportional to 945,310.23, 1,304,527.32 and 515,589.03

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Solution

The fourth proportional to 945,310.23, 1,304,527.32 and 515,589.03 is: 711,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,310.23 : 1,304,527.32 = 515,589.03 : x
  2. Step 2: Convert to fraction form
    945,310.23/1,304,527.32 = 515,589.03/x
  3. Step 3: Cross multiply
    945,310.23x = 1,304,527.32 × 515,589.03
  4. Step 4: Simplify right side
    945,310.23x = 672,599,975,527.30
  5. Step 5: Solve for x
    x = 672,599,975,527.30/945,310.23
  6. Step 6: Final answer
    x = 711,512.43

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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.