Home / 442,912.44-664,601.94-193,769.40

Finding the Fourth Proportional to 442,912.44, 664,601.94 and 193,769.40

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Solution

The fourth proportional to 442,912.44, 664,601.94 and 193,769.40 is: 290,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,912.44 : 664,601.94 = 193,769.40 : x
  2. Step 2: Convert to fraction form
    442,912.44/664,601.94 = 193,769.40/x
  3. Step 3: Cross multiply
    442,912.44x = 664,601.94 × 193,769.40
  4. Step 4: Simplify right side
    442,912.44x = 128,779,519,152.64
  5. Step 5: Solve for x
    x = 128,779,519,152.64/442,912.44
  6. Step 6: Final answer
    x = 290,756.16

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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.