Home / 407,848.92-562,921.46-226,623.12

Finding the Fourth Proportional to 407,848.92, 562,921.46 and 226,623.12

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Solution

The fourth proportional to 407,848.92, 562,921.46 and 226,623.12 is: 312,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,848.92 : 562,921.46 = 226,623.12 : x
  2. Step 2: Convert to fraction form
    407,848.92/562,921.46 = 226,623.12/x
  3. Step 3: Cross multiply
    407,848.92x = 562,921.46 × 226,623.12
  4. Step 4: Simplify right side
    407,848.92x = 127,571,017,580.16
  5. Step 5: Solve for x
    x = 127,571,017,580.16/407,848.92
  6. Step 6: Final answer
    x = 312,789.89

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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.