Home / 460,096.62-689,911.44-210,564.78

Finding the Fourth Proportional to 460,096.62, 689,911.44 and 210,564.78

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Solution

The fourth proportional to 460,096.62, 689,911.44 and 210,564.78 is: 315,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,096.62 : 689,911.44 = 210,564.78 : x
  2. Step 2: Convert to fraction form
    460,096.62/689,911.44 = 210,564.78/x
  3. Step 3: Cross multiply
    460,096.62x = 689,911.44 × 210,564.78
  4. Step 4: Simplify right side
    460,096.62x = 145,271,050,583.08
  5. Step 5: Solve for x
    x = 145,271,050,583.08/460,096.62
  6. Step 6: Final answer
    x = 315,740.31

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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.