Home / 407,459.39-562,234.01-226,172.70

Finding the Fourth Proportional to 407,459.39, 562,234.01 and 226,172.70

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Solution

The fourth proportional to 407,459.39, 562,234.01 and 226,172.70 is: 312,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,459.39 : 562,234.01 = 226,172.70 : x
  2. Step 2: Convert to fraction form
    407,459.39/562,234.01 = 226,172.70/x
  3. Step 3: Cross multiply
    407,459.39x = 562,234.01 × 226,172.70
  4. Step 4: Simplify right side
    407,459.39x = 127,161,982,942.66
  5. Step 5: Solve for x
    x = 127,161,982,942.66/407,459.39
  6. Step 6: Final answer
    x = 312,085.05

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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.