Home / 379,539.97-523,764.70-207,459.05

Finding the Fourth Proportional to 379,539.97, 523,764.70 and 207,459.05

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Solution

The fourth proportional to 379,539.97, 523,764.70 and 207,459.05 is: 286,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,539.97 : 523,764.70 = 207,459.05 : x
  2. Step 2: Convert to fraction form
    379,539.97/523,764.70 = 207,459.05/x
  3. Step 3: Cross multiply
    379,539.97x = 523,764.70 × 207,459.05
  4. Step 4: Simplify right side
    379,539.97x = 108,659,723,948.06
  5. Step 5: Solve for x
    x = 108,659,723,948.06/379,539.97
  6. Step 6: Final answer
    x = 286,293.23

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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.