Home / 447,173.10-617,103.33-243,228.77

Finding the Fourth Proportional to 447,173.10, 617,103.33 and 243,228.77

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Solution

The fourth proportional to 447,173.10, 617,103.33 and 243,228.77 is: 335,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,173.10 : 617,103.33 = 243,228.77 : x
  2. Step 2: Convert to fraction form
    447,173.10/617,103.33 = 243,228.77/x
  3. Step 3: Cross multiply
    447,173.10x = 617,103.33 × 243,228.77
  4. Step 4: Simplify right side
    447,173.10x = 150,097,280,833.29
  5. Step 5: Solve for x
    x = 150,097,280,833.29/447,173.10
  6. Step 6: Final answer
    x = 335,658.12

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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.