Home / 470,015.82-648,622.63-268,811.82

Finding the Fourth Proportional to 470,015.82, 648,622.63 and 268,811.82

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Solution

The fourth proportional to 470,015.82, 648,622.63 and 268,811.82 is: 370,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,015.82 : 648,622.63 = 268,811.82 : x
  2. Step 2: Convert to fraction form
    470,015.82/648,622.63 = 268,811.82/x
  3. Step 3: Cross multiply
    470,015.82x = 648,622.63 × 268,811.82
  4. Step 4: Simplify right side
    470,015.82x = 174,357,429,663.49
  5. Step 5: Solve for x
    x = 174,357,429,663.49/470,015.82
  6. Step 6: Final answer
    x = 370,960.77

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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.