Home / 724,711.44-1,086,716.04-303,874.32

Finding the Fourth Proportional to 724,711.44, 1,086,716.04 and 303,874.32

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Solution

The fourth proportional to 724,711.44, 1,086,716.04 and 303,874.32 is: 455,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,711.44 : 1,086,716.04 = 303,874.32 : x
  2. Step 2: Convert to fraction form
    724,711.44/1,086,716.04 = 303,874.32/x
  3. Step 3: Cross multiply
    724,711.44x = 1,086,716.04 × 303,874.32
  4. Step 4: Simplify right side
    724,711.44x = 330,225,097,688.09
  5. Step 5: Solve for x
    x = 330,225,097,688.09/724,711.44
  6. Step 6: Final answer
    x = 455,664.25

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Double scale
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1.5x scale

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.