Home / 434,170.92-599,148.88-243,183.72

Finding the Fourth Proportional to 434,170.92, 599,148.88 and 243,183.72

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Solution

The fourth proportional to 434,170.92, 599,148.88 and 243,183.72 is: 335,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,170.92 : 599,148.88 = 243,183.72 : x
  2. Step 2: Convert to fraction form
    434,170.92/599,148.88 = 243,183.72/x
  3. Step 3: Cross multiply
    434,170.92x = 599,148.88 × 243,183.72
  4. Step 4: Simplify right side
    434,170.92x = 145,703,253,472.23
  5. Step 5: Solve for x
    x = 145,703,253,472.23/434,170.92
  6. Step 6: Final answer
    x = 335,589.62

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Half scale
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Double scale
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Similar ratio
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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.