Home / 460,836.46-691,189.08-145,252.36

Finding the Fourth Proportional to 460,836.46, 691,189.08 and 145,252.36

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Solution

The fourth proportional to 460,836.46, 691,189.08 and 145,252.36 is: 217,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,836.46 : 691,189.08 = 145,252.36 : x
  2. Step 2: Convert to fraction form
    460,836.46/691,189.08 = 145,252.36/x
  3. Step 3: Cross multiply
    460,836.46x = 691,189.08 × 145,252.36
  4. Step 4: Simplify right side
    460,836.46x = 100,396,845,076.23
  5. Step 5: Solve for x
    x = 100,396,845,076.23/460,836.46
  6. Step 6: Final answer
    x = 217,857.86

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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.