Home / 456,844.57-685,252.59-217,131.04

Finding the Fourth Proportional to 456,844.57, 685,252.59 and 217,131.04

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Solution

The fourth proportional to 456,844.57, 685,252.59 and 217,131.04 is: 325,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,844.57 : 685,252.59 = 217,131.04 : x
  2. Step 2: Convert to fraction form
    456,844.57/685,252.59 = 217,131.04/x
  3. Step 3: Cross multiply
    456,844.57x = 685,252.59 × 217,131.04
  4. Step 4: Simplify right side
    456,844.57x = 148,789,607,529.39
  5. Step 5: Solve for x
    x = 148,789,607,529.39/456,844.57
  6. Step 6: Final answer
    x = 325,689.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.