Home / 331,469.90-457,416.36-202,624.16

Finding the Fourth Proportional to 331,469.90, 457,416.36 and 202,624.16

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Solution

The fourth proportional to 331,469.90, 457,416.36 and 202,624.16 is: 279,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,469.90 : 457,416.36 = 202,624.16 : x
  2. Step 2: Convert to fraction form
    331,469.90/457,416.36 = 202,624.16/x
  3. Step 3: Cross multiply
    331,469.90x = 457,416.36 × 202,624.16
  4. Step 4: Simplify right side
    331,469.90x = 92,683,605,715.26
  5. Step 5: Solve for x
    x = 92,683,605,715.26/331,469.90
  6. Step 6: Final answer
    x = 279,613.94

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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.