Home / 443,288.82-611,586.78-252,254.36

Finding the Fourth Proportional to 443,288.82, 611,586.78 and 252,254.36

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Solution

The fourth proportional to 443,288.82, 611,586.78 and 252,254.36 is: 348,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,288.82 : 611,586.78 = 252,254.36 : x
  2. Step 2: Convert to fraction form
    443,288.82/611,586.78 = 252,254.36/x
  3. Step 3: Cross multiply
    443,288.82x = 611,586.78 × 252,254.36
  4. Step 4: Simplify right side
    443,288.82x = 154,275,431,773.36
  5. Step 5: Solve for x
    x = 154,275,431,773.36/443,288.82
  6. Step 6: Final answer
    x = 348,024.64

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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.