Home / 626,761.44-864,945.36-372,113.28

Finding the Fourth Proportional to 626,761.44, 864,945.36 and 372,113.28

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Solution

The fourth proportional to 626,761.44, 864,945.36 and 372,113.28 is: 513,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,761.44 : 864,945.36 = 372,113.28 : x
  2. Step 2: Convert to fraction form
    626,761.44/864,945.36 = 372,113.28/x
  3. Step 3: Cross multiply
    626,761.44x = 864,945.36 × 372,113.28
  4. Step 4: Simplify right side
    626,761.44x = 321,857,654,930.38
  5. Step 5: Solve for x
    x = 321,857,654,930.38/626,761.44
  6. Step 6: Final answer
    x = 513,524.98

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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.