Home / 531,357.27-733,258.43-289,644.57

Finding the Fourth Proportional to 531,357.27, 733,258.43 and 289,644.57

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Solution

The fourth proportional to 531,357.27, 733,258.43 and 289,644.57 is: 399,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,357.27 : 733,258.43 = 289,644.57 : x
  2. Step 2: Convert to fraction form
    531,357.27/733,258.43 = 289,644.57/x
  3. Step 3: Cross multiply
    531,357.27x = 733,258.43 × 289,644.57
  4. Step 4: Simplify right side
    531,357.27x = 212,384,321,208.00
  5. Step 5: Solve for x
    x = 212,384,321,208.00/531,357.27
  6. Step 6: Final answer
    x = 399,701.54

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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.