Home / 447,288.59-617,244.18-243,334.28

Finding the Fourth Proportional to 447,288.59, 617,244.18 and 243,334.28

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Solution

The fourth proportional to 447,288.59, 617,244.18 and 243,334.28 is: 335,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,288.59 : 617,244.18 = 243,334.28 : x
  2. Step 2: Convert to fraction form
    447,288.59/617,244.18 = 243,334.28/x
  3. Step 3: Cross multiply
    447,288.59x = 617,244.18 × 243,334.28
  4. Step 4: Simplify right side
    447,288.59x = 150,196,668,124.49
  5. Step 5: Solve for x
    x = 150,196,668,124.49/447,288.59
  6. Step 6: Final answer
    x = 335,793.65

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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.