Home / 456,505.75-684,997.37-186,834.07

Finding the Fourth Proportional to 456,505.75, 684,997.37 and 186,834.07

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Solution

The fourth proportional to 456,505.75, 684,997.37 and 186,834.07 is: 280,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,505.75 : 684,997.37 = 186,834.07 : x
  2. Step 2: Convert to fraction form
    456,505.75/684,997.37 = 186,834.07/x
  3. Step 3: Cross multiply
    456,505.75x = 684,997.37 × 186,834.07
  4. Step 4: Simplify right side
    456,505.75x = 127,980,842,684.32
  5. Step 5: Solve for x
    x = 127,980,842,684.32/456,505.75
  6. Step 6: Final answer
    x = 280,348.81

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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.