Home / 407,848.15-562,920.41-226,622.35

Finding the Fourth Proportional to 407,848.15, 562,920.41 and 226,622.35

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Solution

The fourth proportional to 407,848.15, 562,920.41 and 226,622.35 is: 312,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,848.15 : 562,920.41 = 226,622.35 : x
  2. Step 2: Convert to fraction form
    407,848.15/562,920.41 = 226,622.35/x
  3. Step 3: Cross multiply
    407,848.15x = 562,920.41 × 226,622.35
  4. Step 4: Simplify right side
    407,848.15x = 127,570,345,044.05
  5. Step 5: Solve for x
    x = 127,570,345,044.05/407,848.15
  6. Step 6: Final answer
    x = 312,788.83

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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.