Home / 353,245.20-529,867.80-347,996.40

Finding the Fourth Proportional to 353,245.20, 529,867.80 and 347,996.40

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Solution

The fourth proportional to 353,245.20, 529,867.80 and 347,996.40 is: 521,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,245.20 : 529,867.80 = 347,996.40 : x
  2. Step 2: Convert to fraction form
    353,245.20/529,867.80 = 347,996.40/x
  3. Step 3: Cross multiply
    353,245.20x = 529,867.80 × 347,996.40
  4. Step 4: Simplify right side
    353,245.20x = 184,392,086,875.92
  5. Step 5: Solve for x
    x = 184,392,086,875.92/353,245.20
  6. Step 6: Final answer
    x = 521,994.60

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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.