Home / 531,195.27-733,028.15-289,472.70

Finding the Fourth Proportional to 531,195.27, 733,028.15 and 289,472.70

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Solution

The fourth proportional to 531,195.27, 733,028.15 and 289,472.70 is: 399,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,195.27 : 733,028.15 = 289,472.70 : x
  2. Step 2: Convert to fraction form
    531,195.27/733,028.15 = 289,472.70/x
  3. Step 3: Cross multiply
    531,195.27x = 733,028.15 × 289,472.70
  4. Step 4: Simplify right side
    531,195.27x = 212,191,632,644.00
  5. Step 5: Solve for x
    x = 212,191,632,644.00/531,195.27
  6. Step 6: Final answer
    x = 399,460.69

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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.