Home / 531,196.20-733,040.90-289,480.44

Finding the Fourth Proportional to 531,196.20, 733,040.90 and 289,480.44

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Solution

The fourth proportional to 531,196.20, 733,040.90 and 289,480.44 is: 399,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,196.20 : 733,040.90 = 289,480.44 : x
  2. Step 2: Convert to fraction form
    531,196.20/733,040.90 = 289,480.44/x
  3. Step 3: Cross multiply
    531,196.20x = 733,040.90 × 289,480.44
  4. Step 4: Simplify right side
    531,196.20x = 212,201,002,270.00
  5. Step 5: Solve for x
    x = 212,201,002,270.00/531,196.20
  6. Step 6: Final answer
    x = 399,477.64

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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.