Home / 407,517.76-562,346.30-226,215.36

Finding the Fourth Proportional to 407,517.76, 562,346.30 and 226,215.36

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Solution

The fourth proportional to 407,517.76, 562,346.30 and 226,215.36 is: 312,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,517.76 : 562,346.30 = 226,215.36 : x
  2. Step 2: Convert to fraction form
    407,517.76/562,346.30 = 226,215.36/x
  3. Step 3: Cross multiply
    407,517.76x = 562,346.30 × 226,215.36
  4. Step 4: Simplify right side
    407,517.76x = 127,211,370,699.17
  5. Step 5: Solve for x
    x = 127,211,370,699.17/407,517.76
  6. Step 6: Final answer
    x = 312,161.54

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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.