Home / 540,986.67-811,553.85-225,369.75

Finding the Fourth Proportional to 540,986.67, 811,553.85 and 225,369.75

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Solution

The fourth proportional to 540,986.67, 811,553.85 and 225,369.75 is: 338,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,986.67 : 811,553.85 = 225,369.75 : x
  2. Step 2: Convert to fraction form
    540,986.67/811,553.85 = 225,369.75/x
  3. Step 3: Cross multiply
    540,986.67x = 811,553.85 × 225,369.75
  4. Step 4: Simplify right side
    540,986.67x = 182,899,688,286.04
  5. Step 5: Solve for x
    x = 182,899,688,286.04/540,986.67
  6. Step 6: Final answer
    x = 338,085.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.