Home / 492,562.72-738,844.20-118,585.76

Finding the Fourth Proportional to 492,562.72, 738,844.20 and 118,585.76

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Solution

The fourth proportional to 492,562.72, 738,844.20 and 118,585.76 is: 177,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,562.72 : 738,844.20 = 118,585.76 : x
  2. Step 2: Convert to fraction form
    492,562.72/738,844.20 = 118,585.76/x
  3. Step 3: Cross multiply
    492,562.72x = 738,844.20 × 118,585.76
  4. Step 4: Simplify right side
    492,562.72x = 87,616,400,978.59
  5. Step 5: Solve for x
    x = 87,616,400,978.59/492,562.72
  6. Step 6: Final answer
    x = 177,878.67

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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.