Home / 447,584.11-617,673.95-243,640.89

Finding the Fourth Proportional to 447,584.11, 617,673.95 and 243,640.89

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Solution

The fourth proportional to 447,584.11, 617,673.95 and 243,640.89 is: 336,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,584.11 : 617,673.95 = 243,640.89 : x
  2. Step 2: Convert to fraction form
    447,584.11/617,673.95 = 243,640.89/x
  3. Step 3: Cross multiply
    447,584.11x = 617,673.95 × 243,640.89
  4. Step 4: Simplify right side
    447,584.11x = 150,490,631,233.80
  5. Step 5: Solve for x
    x = 150,490,631,233.80/447,584.11
  6. Step 6: Final answer
    x = 336,228.72

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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.