Home / 447,228.22-617,156.85-243,279.38

Finding the Fourth Proportional to 447,228.22, 617,156.85 and 243,279.38

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Solution

The fourth proportional to 447,228.22, 617,156.85 and 243,279.38 is: 335,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,228.22 : 617,156.85 = 243,279.38 : x
  2. Step 2: Convert to fraction form
    447,228.22/617,156.85 = 243,279.38/x
  3. Step 3: Cross multiply
    447,228.22x = 617,156.85 × 243,279.38
  4. Step 4: Simplify right side
    447,228.22x = 150,141,531,528.57
  5. Step 5: Solve for x
    x = 150,141,531,528.57/447,228.22
  6. Step 6: Final answer
    x = 335,715.69

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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.