Home / 379,539.41-523,766.45-207,457.61

Finding the Fourth Proportional to 379,539.41, 523,766.45 and 207,457.61

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Solution

The fourth proportional to 379,539.41, 523,766.45 and 207,457.61 is: 286,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,539.41 : 523,766.45 = 207,457.61 : x
  2. Step 2: Convert to fraction form
    379,539.41/523,766.45 = 207,457.61/x
  3. Step 3: Cross multiply
    379,539.41x = 523,766.45 × 207,457.61
  4. Step 4: Simplify right side
    379,539.41x = 108,659,333,815.00
  5. Step 5: Solve for x
    x = 108,659,333,815.00/379,539.41
  6. Step 6: Final answer
    x = 286,292.63

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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.