Home / 354,861.40-532,292.10-331,360.60

Finding the Fourth Proportional to 354,861.40, 532,292.10 and 331,360.60

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Solution

The fourth proportional to 354,861.40, 532,292.10 and 331,360.60 is: 497,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,861.40 : 532,292.10 = 331,360.60 : x
  2. Step 2: Convert to fraction form
    354,861.40/532,292.10 = 331,360.60/x
  3. Step 3: Cross multiply
    354,861.40x = 532,292.10 × 331,360.60
  4. Step 4: Simplify right side
    354,861.40x = 176,380,629,631.26
  5. Step 5: Solve for x
    x = 176,380,629,631.26/354,861.40
  6. Step 6: Final answer
    x = 497,040.90

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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.