Home / 531,198.28-733,053.77-289,480.91

Finding the Fourth Proportional to 531,198.28, 733,053.77 and 289,480.91

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Solution

The fourth proportional to 531,198.28, 733,053.77 and 289,480.91 is: 399,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,198.28 : 733,053.77 = 289,480.91 : x
  2. Step 2: Convert to fraction form
    531,198.28/733,053.77 = 289,480.91/x
  3. Step 3: Cross multiply
    531,198.28x = 733,053.77 × 289,480.91
  4. Step 4: Simplify right side
    531,198.28x = 212,205,072,418.53
  5. Step 5: Solve for x
    x = 212,205,072,418.53/531,198.28
  6. Step 6: Final answer
    x = 399,483.73

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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.