Home / 531,299.64-733,187.05-289,581.47

Finding the Fourth Proportional to 531,299.64, 733,187.05 and 289,581.47

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Solution

The fourth proportional to 531,299.64, 733,187.05 and 289,581.47 is: 399,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,299.64 : 733,187.05 = 289,581.47 : x
  2. Step 2: Convert to fraction form
    531,299.64/733,187.05 = 289,581.47/x
  3. Step 3: Cross multiply
    531,299.64x = 733,187.05 × 289,581.47
  4. Step 4: Simplify right side
    531,299.64x = 212,317,383,723.96
  5. Step 5: Solve for x
    x = 212,317,383,723.96/531,299.64
  6. Step 6: Final answer
    x = 399,618.91

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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.