Home / 865,885.40-1,194,958.76-483,912.18

Finding the Fourth Proportional to 865,885.40, 1,194,958.76 and 483,912.18

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Solution

The fourth proportional to 865,885.40, 1,194,958.76 and 483,912.18 is: 667,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,885.40 : 1,194,958.76 = 483,912.18 : x
  2. Step 2: Convert to fraction form
    865,885.40/1,194,958.76 = 483,912.18/x
  3. Step 3: Cross multiply
    865,885.40x = 1,194,958.76 × 483,912.18
  4. Step 4: Simplify right side
    865,885.40x = 578,255,098,561.70
  5. Step 5: Solve for x
    x = 578,255,098,561.70/865,885.40
  6. Step 6: Final answer
    x = 667,819.43

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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.