Home / 452,462.52-677,660.20-215,971.68

Finding the Fourth Proportional to 452,462.52, 677,660.20 and 215,971.68

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Solution

The fourth proportional to 452,462.52, 677,660.20 and 215,971.68 is: 323,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,462.52 : 677,660.20 = 215,971.68 : x
  2. Step 2: Convert to fraction form
    452,462.52/677,660.20 = 215,971.68/x
  3. Step 3: Cross multiply
    452,462.52x = 677,660.20 × 215,971.68
  4. Step 4: Simplify right side
    452,462.52x = 146,355,411,863.14
  5. Step 5: Solve for x
    x = 146,355,411,863.14/452,462.52
  6. Step 6: Final answer
    x = 323,464.17

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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.