Home / 383,510.24-529,244.66-230,550.12

Finding the Fourth Proportional to 383,510.24, 529,244.66 and 230,550.12

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Solution

The fourth proportional to 383,510.24, 529,244.66 and 230,550.12 is: 318,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,510.24 : 529,244.66 = 230,550.12 : x
  2. Step 2: Convert to fraction form
    383,510.24/529,244.66 = 230,550.12/x
  3. Step 3: Cross multiply
    383,510.24x = 529,244.66 × 230,550.12
  4. Step 4: Simplify right side
    383,510.24x = 122,017,419,872.36
  5. Step 5: Solve for x
    x = 122,017,419,872.36/383,510.24
  6. Step 6: Final answer
    x = 318,159.48

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Half scale
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Double scale
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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.