Home / 531,453.39-733,411.22-289,734.63

Finding the Fourth Proportional to 531,453.39, 733,411.22 and 289,734.63

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Solution

The fourth proportional to 531,453.39, 733,411.22 and 289,734.63 is: 399,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,453.39 : 733,411.22 = 289,734.63 : x
  2. Step 2: Convert to fraction form
    531,453.39/733,411.22 = 289,734.63/x
  3. Step 3: Cross multiply
    531,453.39x = 733,411.22 × 289,734.63
  4. Step 4: Simplify right side
    531,453.39x = 212,494,627,015.88
  5. Step 5: Solve for x
    x = 212,494,627,015.88/531,453.39
  6. Step 6: Final answer
    x = 399,836.81

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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.