Home / 354,630.30-531,945.45-344,788.80

Finding the Fourth Proportional to 354,630.30, 531,945.45 and 344,788.80

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Solution

The fourth proportional to 354,630.30, 531,945.45 and 344,788.80 is: 517,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,630.30 : 531,945.45 = 344,788.80 : x
  2. Step 2: Convert to fraction form
    354,630.30/531,945.45 = 344,788.80/x
  3. Step 3: Cross multiply
    354,630.30x = 531,945.45 × 344,788.80
  4. Step 4: Simplify right side
    354,630.30x = 183,408,833,370.96
  5. Step 5: Solve for x
    x = 183,408,833,370.96/354,630.30
  6. Step 6: Final answer
    x = 517,183.20

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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.