Home / 407,716.38-562,667.29-226,429.11

Finding the Fourth Proportional to 407,716.38, 562,667.29 and 226,429.11

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Solution

The fourth proportional to 407,716.38, 562,667.29 and 226,429.11 is: 312,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,716.38 : 562,667.29 = 226,429.11 : x
  2. Step 2: Convert to fraction form
    407,716.38/562,667.29 = 226,429.11/x
  3. Step 3: Cross multiply
    407,716.38x = 562,667.29 × 226,429.11
  4. Step 4: Simplify right side
    407,716.38x = 127,404,253,134.74
  5. Step 5: Solve for x
    x = 127,404,253,134.74/407,716.38
  6. Step 6: Final answer
    x = 312,482.55

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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.