Home / 538,000.08-806,584.32-271,623.48

Finding the Fourth Proportional to 538,000.08, 806,584.32 and 271,623.48

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Solution

The fourth proportional to 538,000.08, 806,584.32 and 271,623.48 is: 407,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,000.08 : 806,584.32 = 271,623.48 : x
  2. Step 2: Convert to fraction form
    538,000.08/806,584.32 = 271,623.48/x
  3. Step 3: Cross multiply
    538,000.08x = 806,584.32 × 271,623.48
  4. Step 4: Simplify right side
    538,000.08x = 219,087,239,911.83
  5. Step 5: Solve for x
    x = 219,087,239,911.83/538,000.08
  6. Step 6: Final answer
    x = 407,225.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.