Home / 1,079,059.60-1,619,522.40-414,678.16

Finding the Fourth Proportional to 1,079,059.60, 1,619,522.40 and 414,678.16

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Solution

The fourth proportional to 1,079,059.60, 1,619,522.40 and 414,678.16 is: 622,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,059.60 : 1,619,522.40 = 414,678.16 : x
  2. Step 2: Convert to fraction form
    1,079,059.60/1,619,522.40 = 414,678.16/x
  3. Step 3: Cross multiply
    1,079,059.60x = 1,619,522.40 × 414,678.16
  4. Step 4: Simplify right side
    1,079,059.60x = 671,580,568,910.78
  5. Step 5: Solve for x
    x = 671,580,568,910.78/1,079,059.60
  6. Step 6: Final answer
    x = 622,375.79

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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.