Home / 407,724.36-562,667.16-226,453.08

Finding the Fourth Proportional to 407,724.36, 562,667.16 and 226,453.08

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Solution

The fourth proportional to 407,724.36, 562,667.16 and 226,453.08 is: 312,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,724.36 : 562,667.16 = 226,453.08 : x
  2. Step 2: Convert to fraction form
    407,724.36/562,667.16 = 226,453.08/x
  3. Step 3: Cross multiply
    407,724.36x = 562,667.16 × 226,453.08
  4. Step 4: Simplify right side
    407,724.36x = 127,417,711,396.85
  5. Step 5: Solve for x
    x = 127,417,711,396.85/407,724.36
  6. Step 6: Final answer
    x = 312,509.44

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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.