Home / 447,435.04-617,473.34-243,499.12

Finding the Fourth Proportional to 447,435.04, 617,473.34 and 243,499.12

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Solution

The fourth proportional to 447,435.04, 617,473.34 and 243,499.12 is: 336,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,435.04 : 617,473.34 = 243,499.12 : x
  2. Step 2: Convert to fraction form
    447,435.04/617,473.34 = 243,499.12/x
  3. Step 3: Cross multiply
    447,435.04x = 617,473.34 × 243,499.12
  4. Step 4: Simplify right side
    447,435.04x = 150,354,214,913.46
  5. Step 5: Solve for x
    x = 150,354,214,913.46/447,435.04
  6. Step 6: Final answer
    x = 336,035.85

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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.