Home / 529,660.20-792,416.70-343,036.20

Finding the Fourth Proportional to 529,660.20, 792,416.70 and 343,036.20

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Solution

The fourth proportional to 529,660.20, 792,416.70 and 343,036.20 is: 513,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,660.20 : 792,416.70 = 343,036.20 : x
  2. Step 2: Convert to fraction form
    529,660.20/792,416.70 = 343,036.20/x
  3. Step 3: Cross multiply
    529,660.20x = 792,416.70 × 343,036.20
  4. Step 4: Simplify right side
    529,660.20x = 271,827,613,584.54
  5. Step 5: Solve for x
    x = 271,827,613,584.54/529,660.20
  6. Step 6: Final answer
    x = 513,211.33

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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.