Home / 541,530.45-812,072.12-204,513.75

Finding the Fourth Proportional to 541,530.45, 812,072.12 and 204,513.75

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Solution

The fourth proportional to 541,530.45, 812,072.12 and 204,513.75 is: 306,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,530.45 : 812,072.12 = 204,513.75 : x
  2. Step 2: Convert to fraction form
    541,530.45/812,072.12 = 204,513.75/x
  3. Step 3: Cross multiply
    541,530.45x = 812,072.12 × 204,513.75
  4. Step 4: Simplify right side
    541,530.45x = 166,079,913,509.08
  5. Step 5: Solve for x
    x = 166,079,913,509.08/541,530.45
  6. Step 6: Final answer
    x = 306,686.20

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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.