Home / 447,573.12-617,667.20-243,614.16

Finding the Fourth Proportional to 447,573.12, 617,667.20 and 243,614.16

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Solution

The fourth proportional to 447,573.12, 617,667.20 and 243,614.16 is: 336,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,573.12 : 617,667.20 = 243,614.16 : x
  2. Step 2: Convert to fraction form
    447,573.12/617,667.20 = 243,614.16/x
  3. Step 3: Cross multiply
    447,573.12x = 617,667.20 × 243,614.16
  4. Step 4: Simplify right side
    447,573.12x = 150,472,476,087.55
  5. Step 5: Solve for x
    x = 150,472,476,087.55/447,573.12
  6. Step 6: Final answer
    x = 336,196.41

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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.