Home / 857,475.67-1,286,213.53-226,394.95

Finding the Fourth Proportional to 857,475.67, 1,286,213.53 and 226,394.95

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Solution

The fourth proportional to 857,475.67, 1,286,213.53 and 226,394.95 is: 339,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,475.67 : 1,286,213.53 = 226,394.95 : x
  2. Step 2: Convert to fraction form
    857,475.67/1,286,213.53 = 226,394.95/x
  3. Step 3: Cross multiply
    857,475.67x = 1,286,213.53 × 226,394.95
  4. Step 4: Simplify right side
    857,475.67x = 291,192,246,868.29
  5. Step 5: Solve for x
    x = 291,192,246,868.29/857,475.67
  6. Step 6: Final answer
    x = 339,592.43

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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.