Home / 457,845.46-631,814.76-253,895.86

Finding the Fourth Proportional to 457,845.46, 631,814.76 and 253,895.86

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Solution

The fourth proportional to 457,845.46, 631,814.76 and 253,895.86 is: 350,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,845.46 : 631,814.76 = 253,895.86 : x
  2. Step 2: Convert to fraction form
    457,845.46/631,814.76 = 253,895.86/x
  3. Step 3: Cross multiply
    457,845.46x = 631,814.76 × 253,895.86
  4. Step 4: Simplify right side
    457,845.46x = 160,415,151,850.89
  5. Step 5: Solve for x
    x = 160,415,151,850.89/457,845.46
  6. Step 6: Final answer
    x = 350,369.65

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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.