Home / 492,657.79-738,985.32-118,680.79

Finding the Fourth Proportional to 492,657.79, 738,985.32 and 118,680.79

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Solution

The fourth proportional to 492,657.79, 738,985.32 and 118,680.79 is: 178,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,657.79 : 738,985.32 = 118,680.79 : x
  2. Step 2: Convert to fraction form
    492,657.79/738,985.32 = 118,680.79/x
  3. Step 3: Cross multiply
    492,657.79x = 738,985.32 × 118,680.79
  4. Step 4: Simplify right side
    492,657.79x = 87,703,360,982.60
  5. Step 5: Solve for x
    x = 87,703,360,982.60/492,657.79
  6. Step 6: Final answer
    x = 178,020.85

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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.