Home / 492,657.29-738,984.57-118,680.29

Finding the Fourth Proportional to 492,657.29, 738,984.57 and 118,680.29

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Solution

The fourth proportional to 492,657.29, 738,984.57 and 118,680.29 is: 178,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,657.29 : 738,984.57 = 118,680.29 : x
  2. Step 2: Convert to fraction form
    492,657.29/738,984.57 = 118,680.29/x
  3. Step 3: Cross multiply
    492,657.29x = 738,984.57 × 118,680.29
  4. Step 4: Simplify right side
    492,657.29x = 87,702,901,704.34
  5. Step 5: Solve for x
    x = 87,702,901,704.34/492,657.29
  6. Step 6: Final answer
    x = 178,020.10

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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.