Home / 407,396.28-562,198.40-226,097.68

Finding the Fourth Proportional to 407,396.28, 562,198.40 and 226,097.68

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Solution

The fourth proportional to 407,396.28, 562,198.40 and 226,097.68 is: 312,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,396.28 : 562,198.40 = 226,097.68 : x
  2. Step 2: Convert to fraction form
    407,396.28/562,198.40 = 226,097.68/x
  3. Step 3: Cross multiply
    407,396.28x = 562,198.40 × 226,097.68
  4. Step 4: Simplify right side
    407,396.28x = 127,111,753,939.71
  5. Step 5: Solve for x
    x = 127,111,753,939.71/407,396.28
  6. Step 6: Final answer
    x = 312,010.10

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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.