Home / 457,330.32-631,249.20-296,179.20

Finding the Fourth Proportional to 457,330.32, 631,249.20 and 296,179.20

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Solution

The fourth proportional to 457,330.32, 631,249.20 and 296,179.20 is: 408,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,330.32 : 631,249.20 = 296,179.20 : x
  2. Step 2: Convert to fraction form
    457,330.32/631,249.20 = 296,179.20/x
  3. Step 3: Cross multiply
    457,330.32x = 631,249.20 × 296,179.20
  4. Step 4: Simplify right side
    457,330.32x = 186,962,883,056.64
  5. Step 5: Solve for x
    x = 186,962,883,056.64/457,330.32
  6. Step 6: Final answer
    x = 408,813.66

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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.