Home / 945,571.82-1,304,863.20-515,851.83

Finding the Fourth Proportional to 945,571.82, 1,304,863.20 and 515,851.83

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Solution

The fourth proportional to 945,571.82, 1,304,863.20 and 515,851.83 is: 711,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,571.82 : 1,304,863.20 = 515,851.83 : x
  2. Step 2: Convert to fraction form
    945,571.82/1,304,863.20 = 515,851.83/x
  3. Step 3: Cross multiply
    945,571.82x = 1,304,863.20 × 515,851.83
  4. Step 4: Simplify right side
    945,571.82x = 673,116,069,619.66
  5. Step 5: Solve for x
    x = 673,116,069,619.66/945,571.82
  6. Step 6: Final answer
    x = 711,861.39

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Double scale
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Similar ratio
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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.