Home / 470,117.75-648,819.88-276,516.23

Finding the Fourth Proportional to 470,117.75, 648,819.88 and 276,516.23

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Solution

The fourth proportional to 470,117.75, 648,819.88 and 276,516.23 is: 381,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,117.75 : 648,819.88 = 276,516.23 : x
  2. Step 2: Convert to fraction form
    470,117.75/648,819.88 = 276,516.23/x
  3. Step 3: Cross multiply
    470,117.75x = 648,819.88 × 276,516.23
  4. Step 4: Simplify right side
    470,117.75x = 179,409,228,097.41
  5. Step 5: Solve for x
    x = 179,409,228,097.41/470,117.75
  6. Step 6: Final answer
    x = 381,626.15

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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.