Home / 470,015.32-648,621.94-268,811.32

Finding the Fourth Proportional to 470,015.32, 648,621.94 and 268,811.32

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Solution

The fourth proportional to 470,015.32, 648,621.94 and 268,811.32 is: 370,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,015.32 : 648,621.94 = 268,811.32 : x
  2. Step 2: Convert to fraction form
    470,015.32/648,621.94 = 268,811.32/x
  3. Step 3: Cross multiply
    470,015.32x = 648,621.94 × 268,811.32
  4. Step 4: Simplify right side
    470,015.32x = 174,356,916,629.25
  5. Step 5: Solve for x
    x = 174,356,916,629.25/470,015.32
  6. Step 6: Final answer
    x = 370,960.08

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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.