Home / 457,890.57-631,846.66-253,937.73

Finding the Fourth Proportional to 457,890.57, 631,846.66 and 253,937.73

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Solution

The fourth proportional to 457,890.57, 631,846.66 and 253,937.73 is: 350,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,890.57 : 631,846.66 = 253,937.73 : x
  2. Step 2: Convert to fraction form
    457,890.57/631,846.66 = 253,937.73/x
  3. Step 3: Cross multiply
    457,890.57x = 631,846.66 × 253,937.73
  4. Step 4: Simplify right side
    457,890.57x = 160,449,705,278.79
  5. Step 5: Solve for x
    x = 160,449,705,278.79/457,890.57
  6. Step 6: Final answer
    x = 350,410.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.