Home / 945,556.88-1,304,901.36-515,860.64

Finding the Fourth Proportional to 945,556.88, 1,304,901.36 and 515,860.64

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Solution

The fourth proportional to 945,556.88, 1,304,901.36 and 515,860.64 is: 711,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,556.88 : 1,304,901.36 = 515,860.64 : x
  2. Step 2: Convert to fraction form
    945,556.88/1,304,901.36 = 515,860.64/x
  3. Step 3: Cross multiply
    945,556.88x = 1,304,901.36 × 515,860.64
  4. Step 4: Simplify right side
    945,556.88x = 673,147,250,706.47
  5. Step 5: Solve for x
    x = 673,147,250,706.47/945,556.88
  6. Step 6: Final answer
    x = 711,905.61

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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.