Home / 531,208.28-733,067.56-289,490.92

Finding the Fourth Proportional to 531,208.28, 733,067.56 and 289,490.92

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Solution

The fourth proportional to 531,208.28, 733,067.56 and 289,490.92 is: 399,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,208.28 : 733,067.56 = 289,490.92 : x
  2. Step 2: Convert to fraction form
    531,208.28/733,067.56 = 289,490.92/x
  3. Step 3: Cross multiply
    531,208.28x = 733,067.56 × 289,490.92
  4. Step 4: Simplify right side
    531,208.28x = 212,216,402,366.56
  5. Step 5: Solve for x
    x = 212,216,402,366.56/531,208.28
  6. Step 6: Final answer
    x = 399,497.54

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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.