Home / 531,351.83-733,273.22-289,634.46

Finding the Fourth Proportional to 531,351.83, 733,273.22 and 289,634.46

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Solution

The fourth proportional to 531,351.83, 733,273.22 and 289,634.46 is: 399,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,351.83 : 733,273.22 = 289,634.46 : x
  2. Step 2: Convert to fraction form
    531,351.83/733,273.22 = 289,634.46/x
  3. Step 3: Cross multiply
    531,351.83x = 733,273.22 × 289,634.46
  4. Step 4: Simplify right side
    531,351.83x = 212,381,191,658.99
  5. Step 5: Solve for x
    x = 212,381,191,658.99/531,351.83
  6. Step 6: Final answer
    x = 399,699.75

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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.