Home / 614,576.43-921,865.05-193,885.11

Finding the Fourth Proportional to 614,576.43, 921,865.05 and 193,885.11

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Solution

The fourth proportional to 614,576.43, 921,865.05 and 193,885.11 is: 290,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,576.43 : 921,865.05 = 193,885.11 : x
  2. Step 2: Convert to fraction form
    614,576.43/921,865.05 = 193,885.11/x
  3. Step 3: Cross multiply
    614,576.43x = 921,865.05 × 193,885.11
  4. Step 4: Simplify right side
    614,576.43x = 178,735,906,624.41
  5. Step 5: Solve for x
    x = 178,735,906,624.41/614,576.43
  6. Step 6: Final answer
    x = 290,827.79

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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.