Home / 533,982.26-736,889.90-288,961.65

Finding the Fourth Proportional to 533,982.26, 736,889.90 and 288,961.65

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Solution

The fourth proportional to 533,982.26, 736,889.90 and 288,961.65 is: 398,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,982.26 : 736,889.90 = 288,961.65 : x
  2. Step 2: Convert to fraction form
    533,982.26/736,889.90 = 288,961.65/x
  3. Step 3: Cross multiply
    533,982.26x = 736,889.90 × 288,961.65
  4. Step 4: Simplify right side
    533,982.26x = 212,932,919,927.53
  5. Step 5: Solve for x
    x = 212,932,919,927.53/533,982.26
  6. Step 6: Final answer
    x = 398,764.03

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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.