Home / 313,276.11-469,905.66-217,119.39

Finding the Fourth Proportional to 313,276.11, 469,905.66 and 217,119.39

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Solution

The fourth proportional to 313,276.11, 469,905.66 and 217,119.39 is: 325,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,276.11 : 469,905.66 = 217,119.39 : x
  2. Step 2: Convert to fraction form
    313,276.11/469,905.66 = 217,119.39/x
  3. Step 3: Cross multiply
    313,276.11x = 469,905.66 × 217,119.39
  4. Step 4: Simplify right side
    313,276.11x = 102,025,630,256.75
  5. Step 5: Solve for x
    x = 102,025,630,256.75/313,276.11
  6. Step 6: Final answer
    x = 325,673.19

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1.5x scale

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.