Home / 531,192.09-733,026.47-289,469.73

Finding the Fourth Proportional to 531,192.09, 733,026.47 and 289,469.73

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Solution

The fourth proportional to 531,192.09, 733,026.47 and 289,469.73 is: 399,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,192.09 : 733,026.47 = 289,469.73 : x
  2. Step 2: Convert to fraction form
    531,192.09/733,026.47 = 289,469.73/x
  3. Step 3: Cross multiply
    531,192.09x = 733,026.47 × 289,469.73
  4. Step 4: Simplify right side
    531,192.09x = 212,188,972,906.40
  5. Step 5: Solve for x
    x = 212,188,972,906.40/531,192.09
  6. Step 6: Final answer
    x = 399,458.08

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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.