Home / 534,789.20-802,183.80-345,832.40

Finding the Fourth Proportional to 534,789.20, 802,183.80 and 345,832.40

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Solution

The fourth proportional to 534,789.20, 802,183.80 and 345,832.40 is: 518,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,789.20 : 802,183.80 = 345,832.40 : x
  2. Step 2: Convert to fraction form
    534,789.20/802,183.80 = 345,832.40/x
  3. Step 3: Cross multiply
    534,789.20x = 802,183.80 × 345,832.40
  4. Step 4: Simplify right side
    534,789.20x = 277,421,148,795.12
  5. Step 5: Solve for x
    x = 277,421,148,795.12/534,789.20
  6. Step 6: Final answer
    x = 518,748.60

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1.5x scale

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.