Home / 407,394.54-562,178.20-226,106.62

Finding the Fourth Proportional to 407,394.54, 562,178.20 and 226,106.62

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Solution

The fourth proportional to 407,394.54, 562,178.20 and 226,106.62 is: 312,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,394.54 : 562,178.20 = 226,106.62 : x
  2. Step 2: Convert to fraction form
    407,394.54/562,178.20 = 226,106.62/x
  3. Step 3: Cross multiply
    407,394.54x = 562,178.20 × 226,106.62
  4. Step 4: Simplify right side
    407,394.54x = 127,112,212,639.68
  5. Step 5: Solve for x
    x = 127,112,212,639.68/407,394.54
  6. Step 6: Final answer
    x = 312,012.56

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1.5x scale

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.