Home / 650,856.20-976,194.30-201,885.80

Finding the Fourth Proportional to 650,856.20, 976,194.30 and 201,885.80

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Solution

The fourth proportional to 650,856.20, 976,194.30 and 201,885.80 is: 302,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,856.20 : 976,194.30 = 201,885.80 : x
  2. Step 2: Convert to fraction form
    650,856.20/976,194.30 = 201,885.80/x
  3. Step 3: Cross multiply
    650,856.20x = 976,194.30 × 201,885.80
  4. Step 4: Simplify right side
    650,856.20x = 197,079,767,210.94
  5. Step 5: Solve for x
    x = 197,079,767,210.94/650,856.20
  6. Step 6: Final answer
    x = 302,800.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.