Home / 531,191.09-733,025.08-289,468.73

Finding the Fourth Proportional to 531,191.09, 733,025.08 and 289,468.73

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Solution

The fourth proportional to 531,191.09, 733,025.08 and 289,468.73 is: 399,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,191.09 : 733,025.08 = 289,468.73 : x
  2. Step 2: Convert to fraction form
    531,191.09/733,025.08 = 289,468.73/x
  3. Step 3: Cross multiply
    531,191.09x = 733,025.08 × 289,468.73
  4. Step 4: Simplify right side
    531,191.09x = 212,187,838,965.75
  5. Step 5: Solve for x
    x = 212,187,838,965.75/531,191.09
  6. Step 6: Final answer
    x = 399,456.70

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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.