Home / 945,046.44-1,304,195.58-515,350.15

Finding the Fourth Proportional to 945,046.44, 1,304,195.58 and 515,350.15

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Solution

The fourth proportional to 945,046.44, 1,304,195.58 and 515,350.15 is: 711,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,046.44 : 1,304,195.58 = 515,350.15 : x
  2. Step 2: Convert to fraction form
    945,046.44/1,304,195.58 = 515,350.15/x
  3. Step 3: Cross multiply
    945,046.44x = 1,304,195.58 × 515,350.15
  4. Step 4: Simplify right side
    945,046.44x = 672,117,384,521.85
  5. Step 5: Solve for x
    x = 672,117,384,521.85/945,046.44
  6. Step 6: Final answer
    x = 711,200.38

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Double scale
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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.