Home / 492,926.38-739,389.63-118,949.38

Finding the Fourth Proportional to 492,926.38, 739,389.63 and 118,949.38

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Solution

The fourth proportional to 492,926.38, 739,389.63 and 118,949.38 is: 178,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,926.38 : 739,389.63 = 118,949.38 : x
  2. Step 2: Convert to fraction form
    492,926.38/739,389.63 = 118,949.38/x
  3. Step 3: Cross multiply
    492,926.38x = 739,389.63 × 118,949.38
  4. Step 4: Simplify right side
    492,926.38x = 87,949,934,369.98
  5. Step 5: Solve for x
    x = 87,949,934,369.98/492,926.38
  6. Step 6: Final answer
    x = 178,424.08

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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.