Home / 531,238.14-733,087.08-289,515.60

Finding the Fourth Proportional to 531,238.14, 733,087.08 and 289,515.60

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Solution

The fourth proportional to 531,238.14, 733,087.08 and 289,515.60 is: 399,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,238.14 : 733,087.08 = 289,515.60 : x
  2. Step 2: Convert to fraction form
    531,238.14/733,087.08 = 289,515.60/x
  3. Step 3: Cross multiply
    531,238.14x = 733,087.08 × 289,515.60
  4. Step 4: Simplify right side
    531,238.14x = 212,240,145,818.45
  5. Step 5: Solve for x
    x = 212,240,145,818.45/531,238.14
  6. Step 6: Final answer
    x = 399,519.78

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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.