Home / 456,310.08-684,529.44-140,792.64

Finding the Fourth Proportional to 456,310.08, 684,529.44 and 140,792.64

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Solution

The fourth proportional to 456,310.08, 684,529.44 and 140,792.64 is: 211,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,310.08 : 684,529.44 = 140,792.64 : x
  2. Step 2: Convert to fraction form
    456,310.08/684,529.44 = 140,792.64/x
  3. Step 3: Cross multiply
    456,310.08x = 684,529.44 × 140,792.64
  4. Step 4: Simplify right side
    456,310.08x = 96,376,707,015.32
  5. Step 5: Solve for x
    x = 96,376,707,015.32/456,310.08
  6. Step 6: Final answer
    x = 211,208.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.