Home / 818,200.37-1,227,493.74-257,234.87

Finding the Fourth Proportional to 818,200.37, 1,227,493.74 and 257,234.87

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Solution

The fourth proportional to 818,200.37, 1,227,493.74 and 257,234.87 is: 385,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,200.37 : 1,227,493.74 = 257,234.87 : x
  2. Step 2: Convert to fraction form
    818,200.37/1,227,493.74 = 257,234.87/x
  3. Step 3: Cross multiply
    818,200.37x = 1,227,493.74 × 257,234.87
  4. Step 4: Simplify right side
    818,200.37x = 315,754,196,668.08
  5. Step 5: Solve for x
    x = 315,754,196,668.08/818,200.37
  6. Step 6: Final answer
    x = 385,913.04

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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.