Home / 1,147,084.32-1,719,620.44-436,639.80

Finding the Fourth Proportional to 1,147,084.32, 1,719,620.44 and 436,639.80

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Solution

The fourth proportional to 1,147,084.32, 1,719,620.44 and 436,639.80 is: 654,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,084.32 : 1,719,620.44 = 436,639.80 : x
  2. Step 2: Convert to fraction form
    1,147,084.32/1,719,620.44 = 436,639.80/x
  3. Step 3: Cross multiply
    1,147,084.32x = 1,719,620.44 × 436,639.80
  4. Step 4: Simplify right side
    1,147,084.32x = 750,854,724,997.51
  5. Step 5: Solve for x
    x = 750,854,724,997.51/1,147,084.32
  6. Step 6: Final answer
    x = 654,576.75

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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.