Home / 447,721.93-617,835.60-243,772.24

Finding the Fourth Proportional to 447,721.93, 617,835.60 and 243,772.24

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Solution

The fourth proportional to 447,721.93, 617,835.60 and 243,772.24 is: 336,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,721.93 : 617,835.60 = 243,772.24 : x
  2. Step 2: Convert to fraction form
    447,721.93/617,835.60 = 243,772.24/x
  3. Step 3: Cross multiply
    447,721.93x = 617,835.60 × 243,772.24
  4. Step 4: Simplify right side
    447,721.93x = 150,611,168,163.74
  5. Step 5: Solve for x
    x = 150,611,168,163.74/447,721.93
  6. Step 6: Final answer
    x = 336,394.44

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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.