Home / 456,221.28-629,573.04-255,056.16

Finding the Fourth Proportional to 456,221.28, 629,573.04 and 255,056.16

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Solution

The fourth proportional to 456,221.28, 629,573.04 and 255,056.16 is: 351,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,221.28 : 629,573.04 = 255,056.16 : x
  2. Step 2: Convert to fraction form
    456,221.28/629,573.04 = 255,056.16/x
  3. Step 3: Cross multiply
    456,221.28x = 629,573.04 × 255,056.16
  4. Step 4: Simplify right side
    456,221.28x = 160,576,482,021.93
  5. Step 5: Solve for x
    x = 160,576,482,021.93/456,221.28
  6. Step 6: Final answer
    x = 351,970.61

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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.