Home / 353,575.02-487,944.50-200,619.68

Finding the Fourth Proportional to 353,575.02, 487,944.50 and 200,619.68

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Solution

The fourth proportional to 353,575.02, 487,944.50 and 200,619.68 is: 276,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,575.02 : 487,944.50 = 200,619.68 : x
  2. Step 2: Convert to fraction form
    353,575.02/487,944.50 = 200,619.68/x
  3. Step 3: Cross multiply
    353,575.02x = 487,944.50 × 200,619.68
  4. Step 4: Simplify right side
    353,575.02x = 97,891,269,447.76
  5. Step 5: Solve for x
    x = 97,891,269,447.76/353,575.02
  6. Step 6: Final answer
    x = 276,861.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.