Home / 354,829.40-532,244.10-331,328.60

Finding the Fourth Proportional to 354,829.40, 532,244.10 and 331,328.60

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Solution

The fourth proportional to 354,829.40, 532,244.10 and 331,328.60 is: 496,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,829.40 : 532,244.10 = 331,328.60 : x
  2. Step 2: Convert to fraction form
    354,829.40/532,244.10 = 331,328.60/x
  3. Step 3: Cross multiply
    354,829.40x = 532,244.10 × 331,328.60
  4. Step 4: Simplify right side
    354,829.40x = 176,347,692,511.26
  5. Step 5: Solve for x
    x = 176,347,692,511.26/354,829.40
  6. Step 6: Final answer
    x = 496,992.90

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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.