Home / 460,938.80-691,505.40-194,562.20

Finding the Fourth Proportional to 460,938.80, 691,505.40 and 194,562.20

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Solution

The fourth proportional to 460,938.80, 691,505.40 and 194,562.20 is: 291,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,938.80 : 691,505.40 = 194,562.20 : x
  2. Step 2: Convert to fraction form
    460,938.80/691,505.40 = 194,562.20/x
  3. Step 3: Cross multiply
    460,938.80x = 691,505.40 × 194,562.20
  4. Step 4: Simplify right side
    460,938.80x = 134,540,811,935.88
  5. Step 5: Solve for x
    x = 134,540,811,935.88/460,938.80
  6. Step 6: Final answer
    x = 291,884.33

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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.