Home / 379,184.06-523,273.82-209,416.70

Finding the Fourth Proportional to 379,184.06, 523,273.82 and 209,416.70

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Solution

The fourth proportional to 379,184.06, 523,273.82 and 209,416.70 is: 288,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,184.06 : 523,273.82 = 209,416.70 : x
  2. Step 2: Convert to fraction form
    379,184.06/523,273.82 = 209,416.70/x
  3. Step 3: Cross multiply
    379,184.06x = 523,273.82 × 209,416.70
  4. Step 4: Simplify right side
    379,184.06x = 109,582,276,580.79
  5. Step 5: Solve for x
    x = 109,582,276,580.79/379,184.06
  6. Step 6: Final answer
    x = 288,994.95

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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.