Home / 679,066.43-937,056.82-392,604.97

Finding the Fourth Proportional to 679,066.43, 937,056.82 and 392,604.97

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Solution

The fourth proportional to 679,066.43, 937,056.82 and 392,604.97 is: 541,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,066.43 : 937,056.82 = 392,604.97 : x
  2. Step 2: Convert to fraction form
    679,066.43/937,056.82 = 392,604.97/x
  3. Step 3: Cross multiply
    679,066.43x = 937,056.82 × 392,604.97
  4. Step 4: Simplify right side
    679,066.43x = 367,893,158,056.09
  5. Step 5: Solve for x
    x = 367,893,158,056.09/679,066.43
  6. Step 6: Final answer
    x = 541,763.14

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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.