Home / 447,171.13-617,095.71-256,185.28

Finding the Fourth Proportional to 447,171.13, 617,095.71 and 256,185.28

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Solution

The fourth proportional to 447,171.13, 617,095.71 and 256,185.28 is: 353,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,171.13 : 617,095.71 = 256,185.28 : x
  2. Step 2: Convert to fraction form
    447,171.13/617,095.71 = 256,185.28/x
  3. Step 3: Cross multiply
    447,171.13x = 617,095.71 × 256,185.28
  4. Step 4: Simplify right side
    447,171.13x = 158,090,837,253.15
  5. Step 5: Solve for x
    x = 158,090,837,253.15/447,171.13
  6. Step 6: Final answer
    x = 353,535.43

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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.