Home / 531,302.39-733,190.85-289,584.22

Finding the Fourth Proportional to 531,302.39, 733,190.85 and 289,584.22

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Solution

The fourth proportional to 531,302.39, 733,190.85 and 289,584.22 is: 399,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,302.39 : 733,190.85 = 289,584.22 : x
  2. Step 2: Convert to fraction form
    531,302.39/733,190.85 = 289,584.22/x
  3. Step 3: Cross multiply
    531,302.39x = 733,190.85 × 289,584.22
  4. Step 4: Simplify right side
    531,302.39x = 212,320,498,575.41
  5. Step 5: Solve for x
    x = 212,320,498,575.41/531,302.39
  6. Step 6: Final answer
    x = 399,622.70

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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.