Home / 452,451.35-677,643.39-215,960.10

Finding the Fourth Proportional to 452,451.35, 677,643.39 and 215,960.10

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Solution

The fourth proportional to 452,451.35, 677,643.39 and 215,960.10 is: 323,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,451.35 : 677,643.39 = 215,960.10 : x
  2. Step 2: Convert to fraction form
    452,451.35/677,643.39 = 215,960.10/x
  3. Step 3: Cross multiply
    452,451.35x = 677,643.39 × 215,960.10
  4. Step 4: Simplify right side
    452,451.35x = 146,343,934,268.74
  5. Step 5: Solve for x
    x = 146,343,934,268.74/452,451.35
  6. Step 6: Final answer
    x = 323,446.79

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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.