Home / 456,240.60-629,588.70-255,036.60

Finding the Fourth Proportional to 456,240.60, 629,588.70 and 255,036.60

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Solution

The fourth proportional to 456,240.60, 629,588.70 and 255,036.60 is: 351,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,240.60 : 629,588.70 = 255,036.60 : x
  2. Step 2: Convert to fraction form
    456,240.60/629,588.70 = 255,036.60/x
  3. Step 3: Cross multiply
    456,240.60x = 629,588.70 × 255,036.60
  4. Step 4: Simplify right side
    456,240.60x = 160,568,161,446.42
  5. Step 5: Solve for x
    x = 160,568,161,446.42/456,240.60
  6. Step 6: Final answer
    x = 351,937.47

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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.