Home / 460,889.83-691,334.76-145,371.34

Finding the Fourth Proportional to 460,889.83, 691,334.76 and 145,371.34

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Solution

The fourth proportional to 460,889.83, 691,334.76 and 145,371.34 is: 218,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,889.83 : 691,334.76 = 145,371.34 : x
  2. Step 2: Convert to fraction form
    460,889.83/691,334.76 = 145,371.34/x
  3. Step 3: Cross multiply
    460,889.83x = 691,334.76 × 145,371.34
  4. Step 4: Simplify right side
    460,889.83x = 100,500,261,859.09
  5. Step 5: Solve for x
    x = 100,500,261,859.09/460,889.83
  6. Step 6: Final answer
    x = 218,057.02

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Similar ratio
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1.5x scale

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.