Home / 392,891.14-591,962.05-354,984.45

Finding the Fourth Proportional to 392,891.14, 591,962.05 and 354,984.45

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Solution

The fourth proportional to 392,891.14, 591,962.05 and 354,984.45 is: 534,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,891.14 : 591,962.05 = 354,984.45 : x
  2. Step 2: Convert to fraction form
    392,891.14/591,962.05 = 354,984.45/x
  3. Step 3: Cross multiply
    392,891.14x = 591,962.05 × 354,984.45
  4. Step 4: Simplify right side
    392,891.14x = 210,137,320,964.00
  5. Step 5: Solve for x
    x = 210,137,320,964.00/392,891.14
  6. Step 6: Final answer
    x = 534,848.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.