Home / 394,516.04-544,421.22-222,432.53

Finding the Fourth Proportional to 394,516.04, 544,421.22 and 222,432.53

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Solution

The fourth proportional to 394,516.04, 544,421.22 and 222,432.53 is: 306,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,516.04 : 544,421.22 = 222,432.53 : x
  2. Step 2: Convert to fraction form
    394,516.04/544,421.22 = 222,432.53/x
  3. Step 3: Cross multiply
    394,516.04x = 544,421.22 × 222,432.53
  4. Step 4: Simplify right side
    394,516.04x = 121,096,986,628.18
  5. Step 5: Solve for x
    x = 121,096,986,628.18/394,516.04
  6. Step 6: Final answer
    x = 306,950.73

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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.