Home / 412,225.47-617,288.45-271,557.63

Finding the Fourth Proportional to 412,225.47, 617,288.45 and 271,557.63

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Solution

The fourth proportional to 412,225.47, 617,288.45 and 271,557.63 is: 406,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,225.47 : 617,288.45 = 271,557.63 : x
  2. Step 2: Convert to fraction form
    412,225.47/617,288.45 = 271,557.63/x
  3. Step 3: Cross multiply
    412,225.47x = 617,288.45 × 271,557.63
  4. Step 4: Simplify right side
    412,225.47x = 167,629,387,150.59
  5. Step 5: Solve for x
    x = 167,629,387,150.59/412,225.47
  6. Step 6: Final answer
    x = 406,644.91

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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.