Home / 443,230.12-611,576.34-261,971.56

Finding the Fourth Proportional to 443,230.12, 611,576.34 and 261,971.56

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Solution

The fourth proportional to 443,230.12, 611,576.34 and 261,971.56 is: 361,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,230.12 : 611,576.34 = 261,971.56 : x
  2. Step 2: Convert to fraction form
    443,230.12/611,576.34 = 261,971.56/x
  3. Step 3: Cross multiply
    443,230.12x = 611,576.34 × 261,971.56
  4. Step 4: Simplify right side
    443,230.12x = 160,215,607,848.89
  5. Step 5: Solve for x
    x = 160,215,607,848.89/443,230.12
  6. Step 6: Final answer
    x = 361,472.74

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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.