Home / 492,826.61-739,239.92-193,448.18

Finding the Fourth Proportional to 492,826.61, 739,239.92 and 193,448.18

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Solution

The fourth proportional to 492,826.61, 739,239.92 and 193,448.18 is: 290,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,826.61 : 739,239.92 = 193,448.18 : x
  2. Step 2: Convert to fraction form
    492,826.61/739,239.92 = 193,448.18/x
  3. Step 3: Cross multiply
    492,826.61x = 739,239.92 × 193,448.18
  4. Step 4: Simplify right side
    492,826.61x = 143,004,612,443.91
  5. Step 5: Solve for x
    x = 143,004,612,443.91/492,826.61
  6. Step 6: Final answer
    x = 290,172.27

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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.