Home / 521,384.12-719,568.60-295,044.20

Finding the Fourth Proportional to 521,384.12, 719,568.60 and 295,044.20

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Solution

The fourth proportional to 521,384.12, 719,568.60 and 295,044.20 is: 407,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,384.12 : 719,568.60 = 295,044.20 : x
  2. Step 2: Convert to fraction form
    521,384.12/719,568.60 = 295,044.20/x
  3. Step 3: Cross multiply
    521,384.12x = 719,568.60 × 295,044.20
  4. Step 4: Simplify right side
    521,384.12x = 212,304,541,932.12
  5. Step 5: Solve for x
    x = 212,304,541,932.12/521,384.12
  6. Step 6: Final answer
    x = 407,194.11

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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.