Home / 531,936.08-734,069.30-290,217.92

Finding the Fourth Proportional to 531,936.08, 734,069.30 and 290,217.92

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Solution

The fourth proportional to 531,936.08, 734,069.30 and 290,217.92 is: 400,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,936.08 : 734,069.30 = 290,217.92 : x
  2. Step 2: Convert to fraction form
    531,936.08/734,069.30 = 290,217.92/x
  3. Step 3: Cross multiply
    531,936.08x = 734,069.30 × 290,217.92
  4. Step 4: Simplify right side
    531,936.08x = 213,040,065,381.86
  5. Step 5: Solve for x
    x = 213,040,065,381.86/531,936.08
  6. Step 6: Final answer
    x = 400,499.37

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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.