Home / 460,928.80-691,490.40-194,552.20

Finding the Fourth Proportional to 460,928.80, 691,490.40 and 194,552.20

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Solution

The fourth proportional to 460,928.80, 691,490.40 and 194,552.20 is: 291,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,928.80 : 691,490.40 = 194,552.20 : x
  2. Step 2: Convert to fraction form
    460,928.80/691,490.40 = 194,552.20/x
  3. Step 3: Cross multiply
    460,928.80x = 691,490.40 × 194,552.20
  4. Step 4: Simplify right side
    460,928.80x = 134,530,978,598.88
  5. Step 5: Solve for x
    x = 134,530,978,598.88/460,928.80
  6. Step 6: Final answer
    x = 291,869.33

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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.