Home / 534,619.20-802,133.60-526,222.40

Finding the Fourth Proportional to 534,619.20, 802,133.60 and 526,222.40

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Solution

The fourth proportional to 534,619.20, 802,133.60 and 526,222.40 is: 789,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,619.20 : 802,133.60 = 526,222.40 : x
  2. Step 2: Convert to fraction form
    534,619.20/802,133.60 = 526,222.40/x
  3. Step 3: Cross multiply
    534,619.20x = 802,133.60 × 526,222.40
  4. Step 4: Simplify right side
    534,619.20x = 422,100,668,112.64
  5. Step 5: Solve for x
    x = 422,100,668,112.64/534,619.20
  6. Step 6: Final answer
    x = 789,535.18

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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.