Home / 941,076.77-1,298,694.14-511,356.90

Finding the Fourth Proportional to 941,076.77, 1,298,694.14 and 511,356.90

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Solution

The fourth proportional to 941,076.77, 1,298,694.14 and 511,356.90 is: 705,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,076.77 : 1,298,694.14 = 511,356.90 : x
  2. Step 2: Convert to fraction form
    941,076.77/1,298,694.14 = 511,356.90/x
  3. Step 3: Cross multiply
    941,076.77x = 1,298,694.14 × 511,356.90
  4. Step 4: Simplify right side
    941,076.77x = 664,096,206,921.78
  5. Step 5: Solve for x
    x = 664,096,206,921.78/941,076.77
  6. Step 6: Final answer
    x = 705,676.98

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Double scale
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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.