Home / 531,295.62-733,183.28-289,578.20

Finding the Fourth Proportional to 531,295.62, 733,183.28 and 289,578.20

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Solution

The fourth proportional to 531,295.62, 733,183.28 and 289,578.20 is: 399,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,295.62 : 733,183.28 = 289,578.20 : x
  2. Step 2: Convert to fraction form
    531,295.62/733,183.28 = 289,578.20/x
  3. Step 3: Cross multiply
    531,295.62x = 733,183.28 × 289,578.20
  4. Step 4: Simplify right side
    531,295.62x = 212,313,894,492.50
  5. Step 5: Solve for x
    x = 212,313,894,492.50/531,295.62
  6. Step 6: Final answer
    x = 399,615.37

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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.