Home / 923,028.78-1,273,776.97-515,126.28

Finding the Fourth Proportional to 923,028.78, 1,273,776.97 and 515,126.28

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Solution

The fourth proportional to 923,028.78, 1,273,776.97 and 515,126.28 is: 710,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,028.78 : 1,273,776.97 = 515,126.28 : x
  2. Step 2: Convert to fraction form
    923,028.78/1,273,776.97 = 515,126.28/x
  3. Step 3: Cross multiply
    923,028.78x = 1,273,776.97 × 515,126.28
  4. Step 4: Simplify right side
    923,028.78x = 656,155,992,105.77
  5. Step 5: Solve for x
    x = 656,155,992,105.77/923,028.78
  6. Step 6: Final answer
    x = 710,872.73

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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.